OT-2026-000037681
Publication integrity record
Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off after set-down
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-2026-000037681) never changes.
Identity and time
| Publication number | OT-2026-000037681 · never reused |
|---|---|
| Internal UUID | 01a0ae77-b8cf-752e-8c3d-a1ea14620c84 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:24:36.831192Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000037681 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4e7612194fac44568f41b1a3e3dc7686638d0b526b63be8d3c300a47ffb0fc0 |
|---|---|
| Markdown | bf127112f272ce19f6f67b643da8a191b5dfbd20c8cd7a6e35b71e05052dbd1c |
| Publication page | 234c5a84fadd47976ddb8821eb286c5a15861b925311decc41d0ec86f02aed87 |
| Manifest | 2ba31191a289bd40d57046e369aba023e2c46ca5da26af573807b3a0c9cc4ed6 |
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 | FHZE787VOW3NiouDGI3taiFkCSF+achO071t23uIYid3zd79jQMWIMajXK9f/3d1ncafXPwjcaCiyRbZ/yjHDQ== |
| 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
| 2026-11-05T00:41:31.916374Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037681observed 234c5a84fadd47976ddb8821eb286c5a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-05T00:41:31.844489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037681/manifest.jsonobserved 2ba31191a289bd40d57046e369aba023...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-05T00:41:31.798068Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037681/publication.mdobserved bf127112f272ce19f6f67b643da8a191...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-05T00:41:31.747592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037681/publication.txtobserved a4e7612194fac44568f41b1a3e3dc768...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T16:41:56.876023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037681observed 234c5a84fadd47976ddb8821eb286c5a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T16:41:56.802255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037681/manifest.jsonobserved 2ba31191a289bd40d57046e369aba023...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T16:41:56.727125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037681/publication.mdobserved bf127112f272ce19f6f67b643da8a191...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T16:41:56.632101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037681/publication.txtobserved a4e7612194fac44568f41b1a3e3dc768...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 |
|---|