OpenTechnical

OT-2026-000050777

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000050777) never changes.

Identity and time

Publication numberOT-2026-000050777 · never reused
Internal UUID01a0ae82-c7b2-7e29-b5c0-331081e65ae9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050777
StatusPUBLIC

Content hashes

Canonical textd39db439a002060acc80ef3cf0191dfadff63020ecd1817f3436b52bff806b39
Markdownfde4803c501a7e228046dcb69c0905a9796fd63d2baa4bb5f08313d94e263995
PDF
Publication page16c7a18a2eb7e4da2eed1503506b01300db2d8a7e0f809039fe131fdaa8fc2d5
Manifest8f3634f85e974116a6973dc9a62da3eb6f53de3c66c835c0a10d08d8cabc3b06

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
SignatureSb4/snXiRM/FblmB6xlnP58mhpuybSCIujJynG07k+T1YiMKFIFGGYEch6BvGvXElrs7zlAS52upRgo17Q5ODg==
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

2026-09-17T11:00:17.032513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050777
observed 16c7a18a2eb7e4da2eed1503506b0130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.998414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050777/manifest.json
observed 8f3634f85e974116a6973dc9a62da3eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.974570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050777/publication.md
observed fde4803c501a7e228046dcb69c0905a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.959035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050777
observed 16c7a18a2eb7e4da2eed1503506b0130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.953494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050777/publication.txt
observed d39db439a002060acc80ef3cf0191dfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.933366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050777/manifest.json
observed 8f3634f85e974116a6973dc9a62da3eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.903736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050777/publication.md
observed fde4803c501a7e228046dcb69c0905a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.876301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050777/publication.txt
observed d39db439a002060acc80ef3cf0191dfa...
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.