OpenTechnical

OT-2026-000017645

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump 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-2026-000017645) never changes.

Identity and time

Publication numberOT-2026-000017645 · never reused
Internal UUID01a0ae6e-96f9-742a-bd71-49db06b81106 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017645
StatusPUBLIC

Content hashes

Canonical text1f75b4e7980d62f73a9012daa9cfdc4f60e827b7e8eae2c04368245f45771bc5
Markdown9dc5d7ae4bbbcd30c611084794c139a8bbf5e957ccc9abe1021aaf1b52fb4003
PDF
Publication page6ccea5c0d291bc561128ea722a1d1aba2488ebf6425b64d9027ec0bb57221c25
Manifest840ea9c0b2bf41216debb2f22db405b397bf178383a643e35cd3ecc92147c816

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
SignatureeSoUrkdA95+a1bT1K/MyYFMCOQsZO+KRxOJvqrxK1BvqyQFNSYKyCJO2SFMYStb0rZyD3jc5ImzpO3qyzLsnAA==
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

2026-09-17T12:01:27.662053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017645
observed 6ccea5c0d291bc561128ea722a1d1aba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.645615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017645/manifest.json
observed 840ea9c0b2bf41216debb2f22db405b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.629488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017645/publication.md
observed 9dc5d7ae4bbbcd30c611084794c139a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.611474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017645/publication.txt
observed 1f75b4e7980d62f73a9012daa9cfdc4f...
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.