OT-2026-000072429
Publication integrity record
Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000072429) never changes.
Identity and time
| Publication number | OT-2026-000072429 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89d7-7b55-ae08-34e420b95539 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072429 |
| Status | PUBLIC |
Content hashes
| Canonical text | 529e6567e737d6dfee4898f3ea79bff78c62ee7383d5d6019ae0238b20f94cf2 |
|---|---|
| Markdown | fa6502205d651281f0bc02f871da50b0907c5a071213c464f3ca251b98cde0ba |
| Publication page | d66aa29c082ffd3e9d54fbfab416352b56db8facfd00917fdce37e06c3281111 |
| Manifest | 5921f55fd2203ec96d35ccdf618f2898e818ff35ad65b46aa07e80fc46213748 |
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 | ay8H73XWdoefaeA+43w7AsgN3WuVWrfvHRmZrN8EEtg4L7Ulti/ug0HBCraPf4ktU6hSMT3lmgUGAN506kjnAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-24T16:41:57.659253Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072429observed d66aa29c082ffd3e9d54fbfab416352b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-24T16:41:57.602601Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072429/manifest.jsonobserved 5921f55fd2203ec96d35ccdf618f2898...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T16:41:57.502883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072429/publication.mdobserved fa6502205d651281f0bc02f871da50b0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T16:41:57.361819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072429/publication.txtobserved 529e6567e737d6dfee4898f3ea79bff7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:14.636755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072429observed d66aa29c082ffd3e9d54fbfab416352b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:14.619610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072429/manifest.jsonobserved 5921f55fd2203ec96d35ccdf618f2898...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:14.602857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072429/publication.mdobserved fa6502205d651281f0bc02f871da50b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:14.585097Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072429/publication.txtobserved 529e6567e737d6dfee4898f3ea79bff7...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|