OpenTechnical

OT-2026-000017204

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000017204) never changes.

Identity and time

Publication numberOT-2026-000017204 · never reused
Internal UUID01a0ae6e-76c7-72cc-b55b-66018f747025 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017204
StatusPUBLIC

Content hashes

Canonical text5eba3d5600efa6a5396b3c85c6b5b8cd2e4e717dfe42757428aab20c06962177
Markdown4def62d4845c8de892e1b090c9c45bb839381ac1c758169d36aa38403bc1d2e3
PDF
Publication pageca037cde9c7d5480366838984c8d216b12c19d6ad737531a1bf7f2b005f1e40b
Manifestcca2f59e4948407fa034dc0b260c997e714da1c51f10fd20daa4274d3bde15c1

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
SignatureNKOcBooJ1gNcTmWdMrto4v4mSDTjQVzntH5F5jTu5iIa63T+jKVc9C4zjmK/D/PZQ57oiPDH/YV0FI9YqvcyDw==
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

2026-09-17T12:02:16.719426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017204
observed ca037cde9c7d5480366838984c8d216b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.701924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017204/manifest.json
observed cca2f59e4948407fa034dc0b260c997e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.683327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017204/publication.md
observed 4def62d4845c8de892e1b090c9c45bb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.665476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017204/publication.txt
observed 5eba3d5600efa6a5396b3c85c6b5b8cd...
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.