OpenTechnical

OT-2026-000012037

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, pulsed 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-2026-000012037) never changes.

Identity and time

Publication numberOT-2026-000012037 · never reused
Internal UUID01a0ae6d-1943-7623-9d63-fc1047365bab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012037
StatusPUBLIC

Content hashes

Canonical text972799379ea5ae1c4d8ce84849b72dc127364745ad0f0ccc2733f8bc2cd74cb6
Markdown1152b4da145c39c6358d156cc814a9e10848ce347fe99c2ae072dc0993ab71a8
PDF
Publication page110b5b85871074bf9f965043819b6701be0eddf14b2b07f1583105ee9c6275eb
Manifest49be59fbf5b4e57327e3285ecb22ddaa5f3f6888599ad45f4ce00a07a3b11ee2

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
SignatureknmxzEbxjZO+CC3oe2yWVJDdbdCGXd8oQ2uVqoMhM20WWQzXHxEjJsPl8tvvlfoHfaQ30B4RgH1GyD6T68gMAA==
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

2026-09-17T12:12:54.727932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012037
observed 110b5b85871074bf9f965043819b6701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:54.708974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012037/manifest.json
observed 49be59fbf5b4e57327e3285ecb22ddaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:54.678865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012037/publication.md
observed 1152b4da145c39c6358d156cc814a9e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:54.651168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012037/publication.txt
observed 972799379ea5ae1c4d8ce84849b72dc1...
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.