OT-2026-000053190
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, vented 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-2026-000053190) never changes.
Identity and time
| Publication number | OT-2026-000053190 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a432-72e7-b203-b5977c819843 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053190 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3ee1fface7a8f6a7cae3e6403ecd5893e7af86444d239f997cfc5e9e19870983 |
|---|---|
| Markdown | 2705cdec09ac3cc8a48f3dffbb54d4dedde3e6a55a58e52ccb8756a6d69bc6e5 |
| Publication page | 56f5dbd254312dc1bad8fcb427ff4c602f76a22e7e8cd7c736a98c2865cda5af |
| Manifest | cbcedad4f2b5efdc331395faf9f52642251be125ce4d1e4815c1ded397c686a7 |
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 | W+5hdel7+xLt63ipt+nE+l3sDpRovcyKxhHjMqd7xlC0BLZid2rxk9xvExBGx3+lERgAmOkeVvubWTN+sVOZBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:01.063678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053190observed 56f5dbd254312dc1bad8fcb427ff4c60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:01.045834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053190/manifest.jsonobserved cbcedad4f2b5efdc331395faf9f52642...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:01.028113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053190/publication.mdobserved 2705cdec09ac3cc8a48f3dffbb54d4de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:01.009241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053190/publication.txtobserved 3ee1fface7a8f6a7cae3e6403ecd5893...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. |
|---|