OpenTechnical

OT-2026-000019690

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000019690) never changes.

Identity and time

Publication numberOT-2026-000019690 · never reused
Internal UUID01a0ae6f-1fb3-75f2-a703-cf3bd4c01f87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019690
StatusPUBLIC

Content hashes

Canonical textffcb2c845b001f73866542de9407fc29aa77f4687f17ae4dcbcc870f21dc9be1
Markdown6d079d1c5bdb0bfa94f26eba8e986a2aba3f1889c43ddf2412d1931ce2c4d2ca
PDF
Publication page64a8ab1563268d99b9eee891006ed685def2e1e68a70ab0c3d834dac1959cf21
Manifest1bb9a68a6ce7ae3a438bb5c593035237affae5cefd060d5ed7d67a04f4b91b8c

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
SignaturewTGu6gN+mG2ZPzf0XXyww0tDwnZ7gBjyBja2bf6hrGaYOArHr7W+LZ4L+t9VoHiYLRcmbPwjGvIftNL1jRBFBQ==
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

2026-09-17T11:57:46.157335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019690
observed 64a8ab1563268d99b9eee891006ed685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:46.139991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019690/manifest.json
observed 1bb9a68a6ce7ae3a438bb5c593035237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:46.122699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019690/publication.md
observed 6d079d1c5bdb0bfa94f26eba8e986a2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:46.103575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019690/publication.txt
observed ffcb2c845b001f73866542de9407fc29...
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.