OpenTechnical

OT-2026-000051781

Publication integrity record

Six cup vacuum gripper, six 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-2026-000051781) never changes.

Identity and time

Publication numberOT-2026-000051781 · never reused
Internal UUID01a0ae83-7c83-74a5-8ec7-c0ab3abdf5ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051781
StatusPUBLIC

Content hashes

Canonical textb94104bf386e35fee12c38cda91ddbfa6dd490b85f2c3ed838811a5c14691f18
Markdown29ec7e848d10d1db5b5e98e21a9e74ebc9b6f43ec469cdd4c3c0e108cb73c67f
PDF
Publication page682120017d413d98596a6196877c1dd93a92b5aee9984e8799ea134007408d8a
Manifest09552f1a2bd2832d110d1d015f65757da31e3261daf086a880bfeb97d2a1af46

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
SignatureqGPuO6+Wa1Q/kOgb0fcefwuTbb0906PRIeTuveIjynaP3y7FFtf0qbcB5o/Nu2SxChROaooxXOcf+ygD65JNDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:41.372968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051781
observed 682120017d413d98596a6196877c1dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.354658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051781/manifest.json
observed 09552f1a2bd2832d110d1d015f65757d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.336799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051781/publication.md
observed 29ec7e848d10d1db5b5e98e21a9e74eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.318018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051781/publication.txt
observed b94104bf386e35fee12c38cda91ddbfa...
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.