OpenTechnical

OT-2026-000011253

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000011253) never changes.

Identity and time

Publication numberOT-2026-000011253 · never reused
Internal UUID01a0ae6c-5410-7121-83b4-8714208ceeb6 · 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-2026-000011253
StatusPUBLIC

Content hashes

Canonical text4978c034441f76b51b42db145f0b9c5497a1cb03cf358d154752e55c6b523983
Markdown11917edb2ae827947b304fb3f00b495242343da1b726a9249279a86cd396fa53
PDF
Publication pagedffce4cd63cd59a510ad8290deb247d68669c6b9f9d1794af260a18c64ae698c
Manifest65dc7c2185e8ecdd644e4465cf6055b7e0b2fb680d043e2a38f23b6b8a42fba0

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
SignaturevWdBRe929+zPVPduLyUyoesbt1jKN2x13CwOGrxiv/bypPKfjV44TbUri12BzPvQwiJumwujYXsyMufwg5OMCg==
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

2026-09-17T12:14:13.274100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011253
observed dffce4cd63cd59a510ad8290deb247d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:13.255464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011253/manifest.json
observed 65dc7c2185e8ecdd644e4465cf6055b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:13.237648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011253/publication.md
observed 11917edb2ae827947b304fb3f00b4952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:13.218745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011253/publication.txt
observed 4978c034441f76b51b42db145f0b9c54...
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.