OT-2026-000090890
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained 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-2026-000090890) never changes.
Identity and time
| Publication number | OT-2026-000090890 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-7ecb-b16d-f7edade9e5cf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090890 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3403db498f96a23c23adae1272a709ab32565bd040e662078da8e6cdcbe80ffa |
|---|---|
| Markdown | 246c363f61b2ffb8100954db6093d81a9a2ddbd576e9d7e3f83741ce57ee3341 |
| Publication page | a223c04e2b0c62594bc7fca0ff3cc96804a98d0d6dcaea37e6dae2879ca3aaaf |
| Manifest | 5cf700ba77a5af6500ccac18190e8b020f2f85a3eb1957cff506014b9b9a633d |
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 | /n4/o3zOXZ+4Asrz2xCTKvFGwknVnH4932wZ6QQtJyUjc1SddLPk0JbTh/a5S/6jkAPA+1/H07WyiuNl7wSEBg== |
| 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
| 2026-09-17T09:44:05.536486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090890observed a223c04e2b0c62594bc7fca0ff3cc968...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:05.519813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090890/manifest.jsonobserved 5cf700ba77a5af6500ccac18190e8b02...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:05.501535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090890/publication.mdobserved 246c363f61b2ffb8100954db6093d81a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:05.483913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090890/publication.txtobserved 3403db498f96a23c23adae1272a709ab...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
| Custody package | Pending Custody packages are produced weekly. |
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