OpenTechnical

OT-2026-000010916

Publication integrity record

Foam pad vacuum gripper, two stage ejector, sustained 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-2026-000010916) never changes.

Identity and time

Publication numberOT-2026-000010916 · never reused
Internal UUID01a0ae6c-540d-779c-b551-8b186a1734de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010916
StatusPUBLIC

Content hashes

Canonical textdcc0a15b47e97a99aed738b43e1680b373a9a85af08587071aa6973f74309c3a
Markdownd7281cec529cb73c332140c7c4e60c99d7a8cb777a68be389dcec04061958f8f
PDF
Publication page1cf1dd288ba2498b1f464121eb70d007a00c050e410d22194fc3aac1cd20506f
Manifestbfdd7e3820d12090eeaca8558023d779d8338ad375b4e4a11bd3cd4656eadc6d

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
Signature7Ycn7qRfYU1Gm1IsEhg4OHDHuKWI51slkTd0Vb/LwLrnV7B7zLbebgsiUTBaPMOnL9INdFel1+6xFca/hoBeCQ==
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

2026-09-17T12:13:41.679932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010916
observed 1cf1dd288ba2498b1f464121eb70d007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.660394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010916/manifest.json
observed bfdd7e3820d12090eeaca8558023d779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.641207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010916/publication.md
observed d7281cec529cb73c332140c7c4e60c99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.618786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010916/publication.txt
observed dcc0a15b47e97a99aed738b43e1680b3...
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.