OpenTechnical

OT-2026-000014451

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump 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-2026-000014451) never changes.

Identity and time

Publication numberOT-2026-000014451 · never reused
Internal UUID01a0ae6d-b27b-7b59-9da3-4a25116cc23b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014451
StatusPUBLIC

Content hashes

Canonical textcdb3f9832f7496557106c6ab7b1341eecebcfd81afb26b7bd92211af23c5773b
Markdowne6edacbbf7654f1ea4fa30a43076e1e74209939bfe896b191365a7bd902b0950
PDF
Publication page15a0e4cf5d89b0400cf73aeca7f55ae2d0c76d5c67b549b81750077007cd2d95
Manifesteb69e17dd863285e6708104bd967508e3ed45e28358d250e3fc351b64ecaf46b

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
Signaturel01U63fPQyNm4bhnoBSzyhsJ0B8/NtyU6ZNOD+B1y5277r6lQSOQr6dKY1g6xb4u7C8IyJbMEoG06EA/khU+Cg==
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

2026-09-17T12:10:15.071988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014451
observed 15a0e4cf5d89b0400cf73aeca7f55ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.039777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014451/manifest.json
observed eb69e17dd863285e6708104bd967508e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.016890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014451/publication.md
observed e6edacbbf7654f1ea4fa30a43076e1e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:14.993189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014451/publication.txt
observed cdb3f9832f7496557106c6ab7b1341ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:19.635532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014451
observed 15a0e4cf5d89b0400cf73aeca7f55ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:19.618733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014451/manifest.json
observed eb69e17dd863285e6708104bd967508e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:19.598479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014451/publication.md
observed e6edacbbf7654f1ea4fa30a43076e1e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:19.581100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014451/publication.txt
observed cdb3f9832f7496557106c6ab7b1341ee...
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.