OpenTechnical

OT-2026-000102640

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off 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-2026-000102640) never changes.

Identity and time

Publication numberOT-2026-000102640 · never reused
Internal UUID01a0aea4-858b-717d-a349-1d07f18227c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102640
StatusPUBLIC

Content hashes

Canonical text9868fb407ee09a4ebb667a8369e857e56c7dc2974d7bf8a77de7f10bbd1335b4
Markdown46eb3a9bef785f266ec6a461d00cc79f6a8479595ca6f4dd6b344bf53b519684
PDF
Publication pagef537e2f0450b38d3bebe69fb1b83cd2e719e6d974f71b3265f6178f37d060824
Manifest7e65122b52893450b9d63b3db40a8b46652acd19aecaa88aa8ad821184bc940d

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
Signature3gUY1AnwHCwT1niYxjtaO0uysvr6DV1Fg5HzSRsNKDACKV8kwOrSBW0gU2EviQiA7ZQhyvKop7FJMXVf1iDnBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:08.166000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102640
observed f537e2f0450b38d3bebe69fb1b83cd2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:08.148774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102640/manifest.json
observed 7e65122b52893450b9d63b3db40a8b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:08.132130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102640/publication.md
observed 46eb3a9bef785f266ec6a461d00cc79f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:08.114455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102640/publication.txt
observed 9868fb407ee09a4ebb667a8369e857e5...
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.