OpenTechnical

OT-2026-000031655

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, pulsed 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-2026-000031655) never changes.

Identity and time

Publication numberOT-2026-000031655 · never reused
Internal UUID01a0ae74-bad0-7c80-9b66-ab8da052039e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031655
StatusPUBLIC

Content hashes

Canonical textcc0ce0bf26d59732b309d2be1ffb67eeeff70029fe59d13c16230e01a1a5bb61
Markdownaa1c71a991c7a01d2d9ac9f80484fb704683cf0efcc7024e66fa0170fcbc7dff
PDF
Publication pageda2dfff521f334384272026fe541b8cedc1d54eec3223086576230d5069d24ef
Manifest93bfe8766f030206c911591ee27ea9468283e176675b6f3709f86e7d632df378

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturewaxzFcAuw7SSNooLObLdn5G0GITmbPX0gQ0ESgpeY72DaVTaH4Ix4lW9OvJgeyrHfFmdEivers7rlK2m5Ka2AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:42.793360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031655
observed da2dfff521f334384272026fe541b8ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.773912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031655/manifest.json
observed 93bfe8766f030206c911591ee27ea946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.754511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031655/publication.md
observed aa1c71a991c7a01d2d9ac9f80484fb70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.737799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031655/publication.txt
observed cc0ce0bf26d59732b309d2be1ffb67ee...
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 archivePending 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 packagePending Custody packages are produced weekly.