OpenTechnical

OT-2026-000011561

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000011561) never changes.

Identity and time

Publication numberOT-2026-000011561 · never reused
Internal UUID01a0ae6c-8900-728d-bc40-f5d9ad87851c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011561
StatusPUBLIC

Content hashes

Canonical text4c03861ab0bc53fb96222c33c4af836e73d5d9c97ef1d27242078497c6272a32
Markdownd7f2f6118620ac2d5d7951737e7d57ae60c61c7c8d5cf9605c54b137c57f3c60
PDF
Publication pagebe1d58a8a3cef69d0d9002d43c931b0bc35e1589bb8df4861e39ec57fe32372e
Manifestcb388e29929bcc2f8446003e62237de3e0eabe7db106c6191e2df4788c1d3f9c

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
SignatureG87V5x7yTXxwNh1mESsgO44AraTybWE+G3lQWejyGslWbFVSq5EWSMOUsKVw11JMHZERLhvcCFH8yDThwdpBCw==
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

2026-09-17T12:13:27.467194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011561
observed be1d58a8a3cef69d0d9002d43c931b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.449824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011561/manifest.json
observed cb388e29929bcc2f8446003e62237de3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.431053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011561/publication.md
observed d7f2f6118620ac2d5d7951737e7d57ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.412896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011561/publication.txt
observed 4c03861ab0bc53fb96222c33c4af836e...
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.