OpenTechnical

OT-2026-000027283

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000027283) never changes.

Identity and time

Publication numberOT-2026-000027283 · never reused
Internal UUID01a0ae72-6996-798c-a4c3-5e037bc65f5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027283
StatusPUBLIC

Content hashes

Canonical textb88ebfece2869958361fa615a77e45a25c9f5320cb43fbfd5e8487b1358b21b9
Markdownc6a158582c444da9c75aadd103447640bf55cf36c7d34d0228fd00299a61f1f2
PDF
Publication page80fe163315cd161c9b877217c36d28c3b19a99ae3cbf02ae9632905f1519f569
Manifestba79eb26a4beb3a3c56a918591fc8fa720e94151931a2da42066218122c2e6e9

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
SignatureMerGGNyDXc68wkYW8UVWDTvgIu6JKKxoFB09JzU0Uv0Xmd2T56yJ3Wk43y3NMI1k97UGi6CjW9/FlbyvlmdTDg==
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

2026-09-17T11:42:40.220310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027283
observed 80fe163315cd161c9b877217c36d28c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.202889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027283/manifest.json
observed ba79eb26a4beb3a3c56a918591fc8fa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.183742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027283/publication.md
observed c6a158582c444da9c75aadd103447640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.167375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027283/publication.txt
observed b88ebfece2869958361fa615a77e45a2...
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.