OpenTechnical

OT-2026-000035607

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000035607) never changes.

Identity and time

Publication numberOT-2026-000035607 · never reused
Internal UUID01a0ae76-b4c6-78c7-8b2b-7aff0c836a64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035607
StatusPUBLIC

Content hashes

Canonical text0d78bff524c9799125017358e38d074371b1ebc2e3f333ffba7eecdca2601fc4
Markdownf175ec7fa792b71d434b11c2bfe64c4d67979d5f9c93dcb783a0277491d4ede2
PDF
Publication page4938f8fadfecf6abf69dc3c6183e6906fe0d87d1210e6e2bdca7200954576595
Manifestda18518402a439c0f2c35b8aaecd18da84e403d6dad91f638bea052a822de0fe

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
SignatureOXS23+DwmTq0EQJkZdBQkJ0Z9TLZ9ffU15xgqTgwKGW2do/L2DHIyeanDjHH7zylz5xIr6nxRdhwBEbxvdgJDQ==
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

2026-09-17T11:27:08.539139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035607
observed 4938f8fadfecf6abf69dc3c6183e6906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:08.520484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035607/manifest.json
observed da18518402a439c0f2c35b8aaecd18da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:08.500924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035607/publication.md
observed f175ec7fa792b71d434b11c2bfe64c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:08.481333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035607/publication.txt
observed 0d78bff524c9799125017358e38d0743...
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.