OT-2026-000005623
Publication integrity record
Porous face vacuum gripper, two zone face, per zone isolation, two stage ejector, open cell
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-2026-000005623) never changes.
Identity and time
| Publication number | OT-2026-000005623 · never reused |
|---|---|
| Internal UUID | 01a0a93f-5649-785e-8685-b54697a07ae9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:04:55.500597Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005623 |
| Status | PUBLIC |
Content hashes
| Canonical text | 09b8d1951ece19c79c57ab0879fb0d031d3ce564da55d3d912f37944b85cee10 |
|---|---|
| Markdown | 8a1c2a2f5e97861ca5a664089880d828be360c6fcc020ba96e988c89cdd7898b |
| Publication page | 6ae59709e1092869a67228f33409812a449b8dab6c71f7d97ccdf640e36eabeb |
| Manifest | 624594efe72a82a9d494fbb5ee773d7f09040c0b73049e0efe7c50c01212ee7c |
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 | 7DVkRmgjvmjf+26Aqzw0+8TblDwhuZ+INR3nSgkMJ6UHWJO4tx8cunU2itgGI/UcZx08MHRGyOtv11gChYtdCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
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Independent retrieval
| 2026-09-16T08:10:19.631481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005623observed 6ae59709e1092869a67228f33409812a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:19.494749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005623/manifest.jsonobserved 624594efe72a82a9d494fbb5ee773d7f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:19.480438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005623/publication.mdobserved 8a1c2a2f5e97861ca5a664089880d828...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:19.468259Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005623/publication.txtobserved 09b8d1951ece19c79c57ab0879fb0d03...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 |
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