OT-2026-000033787
Publication integrity record
Two bellows cup vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000033787) never changes.
Identity and time
| Publication number | OT-2026-000033787 · never reused |
|---|---|
| Internal UUID | 01a0ae75-a391-7482-8ce8-06cb3fb78952 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:22:20.325649Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000033787 |
| Status | PUBLIC |
Content hashes
| Canonical text | f20bc27b4a43afa0cc1c326076fda39dd393cd6c0be8f8c0a3d256f7018319bd |
|---|---|
| Markdown | 2e3bb654335ad58d98bde936e4ef25ca02b30d3408f498a01ffe18fa4eacc511 |
| Publication page | 396d5ece20ecfedb4c72e90ff95164b9555266b63b397c2eda362ce6659ca1fe |
| Manifest | 53500cae97ba90efd193c4b141a4d088d7ab9872c5bae4d7898151c8aee6532e |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | y2cH3HgB32H2wzqOTNM1ejKzpeH8DSjcJyiTEJHCXiUPFTq4go6I9WyEVerO/r1G+ywPJvbNTZ1TR/BEj9qAAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
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Independent retrieval
| 2026-10-03T12:41:08.247172Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033787observed 396d5ece20ecfedb4c72e90ff95164b9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-03T12:41:08.196903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033787/manifest.jsonobserved 53500cae97ba90efd193c4b141a4d088...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T12:41:08.108817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033787/publication.mdobserved 2e3bb654335ad58d98bde936e4ef25ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T12:41:08.009096Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033787/publication.txtobserved f20bc27b4a43afa0cc1c326076fda39d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:15.825052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033787observed 396d5ece20ecfedb4c72e90ff95164b9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:15.755871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033787/manifest.jsonobserved 53500cae97ba90efd193c4b141a4d088...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:15.676961Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033787/publication.mdobserved 2e3bb654335ad58d98bde936e4ef25ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:15.600774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033787/publication.txtobserved f20bc27b4a43afa0cc1c326076fda39d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|