OpenTechnical

OT-2026-000010838

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000010838) never changes.

Identity and time

Publication numberOT-2026-000010838 · never reused
Internal UUID01a0ae6c-540d-7e5e-84b1-c9976f605da9 · 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-2026-000010838
StatusPUBLIC

Content hashes

Canonical text27a803b029f9b918f20548f7faf203754e8a62e5af81f30fc6e26c9d79cfb749
Markdownd640bb34c6a1d009811223b47ee3c9d5486e057b88d02cbdac7e602299c9c290
PDF
Publication pagedc484f3999a3b10a8b67122028d9b220921a16df9afcd0af7ce78dd9bc181fc4
Manifesta191cec4015e6609efc209de7111d13569fe194833318f96909beb9137460ce7

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
SignatureWnb5Nb3h25iqQOAuI++3o7c+rHbYhBO0eSVBoB5Up7BC8Ulyv2hiAwTjuWaRiYQE9o1x0DpB7J7EAWUzrGAwCg==
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

2026-09-17T12:13:35.573680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010838
observed dc484f3999a3b10a8b67122028d9b220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:35.554405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010838/manifest.json
observed a191cec4015e6609efc209de7111d135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:35.534413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010838/publication.md
observed d640bb34c6a1d009811223b47ee3c9d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:35.516153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010838/publication.txt
observed 27a803b029f9b918f20548f7faf20375...
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.