OT-2026-000081300
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000081300) never changes.
Identity and time
| Publication number | OT-2026-000081300 · never reused |
|---|---|
| Internal UUID | 01a0ae96-f374-770b-88bf-4772ec7b8410 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:43.461344Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081300 |
| Status | PUBLIC |
Content hashes
| Canonical text | d7ef66c78185fdaca5808e39ac0729bcdb1644cfc3da15da910aca4db2773122 |
|---|---|
| Markdown | 404a7587a87744ccbc3b63fbb289508e84d4e508747b2259c7b5581e3d32f29e |
| Publication page | ba785efa627500e736f9203aa60e18bba98842fd05eb92dea56c1040683ca9ce |
| Manifest | bd2d5e5dddd38c82872a3e8845c752bed56da8d2a32a9fe2f7c7cade79dcfa50 |
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 | oKA5n1nFkx4wDnd0Pvc+FtcTZqCXkI2M8/V091YsN7mkA+Db72O527zm5h+25VM432RQXH5nXt40OKIERMwvAw== |
| 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
| 2026-09-17T10:01:24.672686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081300observed ba785efa627500e736f9203aa60e18bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:01:24.654348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081300/manifest.jsonobserved bd2d5e5dddd38c82872a3e8845c752be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:24.635182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081300/publication.mdobserved 404a7587a87744ccbc3b63fbb289508e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:24.617361Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081300/publication.txtobserved d7ef66c78185fdaca5808e39ac0729bc...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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