OpenTechnical

OT-2026-000011473

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, vented after 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-2026-000011473) never changes.

Identity and time

Publication numberOT-2026-000011473 · never reused
Internal UUID01a0ae6c-88ff-7c9f-a286-d47b8c5b5bdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011473
StatusPUBLIC

Content hashes

Canonical text2f365ceacede0ff0b7a2d0b75b1880d90b0dc20b94084bc72214b800b4abb87f
Markdown44daf84abb1cfeb3cbc0eccd2595031d660258733850006e98056a10821af15f
PDF
Publication pagef12d4e9d7f92e0146bc4edc325cf21e1e03bb4ad3c2cf6a58246c901f4c3439f
Manifestb78f1172a0bcbeda8246a09872c0801e5c488b517d41bdbda6a00790ce7de611

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
Signaturex26qDf+veGd/5zIQ4f5JB0AUwVtoLR32SuDg9U97aa8E9uQCZug6jRJ4VgwiBrSSelrG80/KPMQ18yCxCCekAw==
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

2026-09-17T12:13:14.625970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011473
observed f12d4e9d7f92e0146bc4edc325cf21e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:14.608950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011473/manifest.json
observed b78f1172a0bcbeda8246a09872c0801e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:14.589671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011473/publication.md
observed 44daf84abb1cfeb3cbc0eccd2595031d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:14.568881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011473/publication.txt
observed 2f365ceacede0ff0b7a2d0b75b1880d9...
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.