OT-2026-000090927
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000090927) never changes.
Identity and time
| Publication number | OT-2026-000090927 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-7eb5-98b0-31598df69953 · 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-2026-000090927 |
| Status | PUBLIC |
Content hashes
| Canonical text | e47ca106f8543a6679bd4ebde49121a73aa4761913019fb14f6c28ede19f2084 |
|---|---|
| Markdown | 8ce9489f9f8d9541d6cfc79abbedd0bf8fb17dd2acab27f54151de8cc9ffcdd7 |
| Publication page | f930458e128eba1f2bfbae533a62957047f704db1cf6585149668e84e655233b |
| Manifest | 8343f878bc17cb3715ccf6ea3dc3d7f3f2b883363bf5539e44903bbf58e46b0d |
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 | 2PX1py1Lvdt6vOmxfgOzBUZPKyubj618sdzrq7jfvt5oCP+hxBWA6TmpcOH09zZZruJ9+6syyFhb5BdMfjxFAA== |
| 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
| 2026-09-17T09:44:05.055219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090927observed f930458e128eba1f2bfbae533a629570...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:05.037423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090927/manifest.jsonobserved 8343f878bc17cb3715ccf6ea3dc3d7f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:05.018309Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090927/publication.mdobserved 8ce9489f9f8d9541d6cfc79abbedd0bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:04.998892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090927/publication.txtobserved e47ca106f8543a6679bd4ebde49121a7...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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