OpenTechnical

OT-2026-000028624

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, sustained 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-2026-000028624) never changes.

Identity and time

Publication numberOT-2026-000028624 · never reused
Internal UUID01a0ae72-e2f9-7a85-a4f4-40e8b58b53c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028624
StatusPUBLIC

Content hashes

Canonical textb8854c09f762375b58a519ead55980e021e693e1a388bb34aaaa34b99362f8f1
Markdownb7a0319b9ff5697d47dc325ef5f41caf05f0c4970678f1b5e80947a8fcac26dd
PDF
Publication pageeb4c2998f1a14deb4b990ac748505f678332a19097e8d6b8fa11cdaf8eb5a6e2
Manifestf3f9ee302ad66272315b669defe6924cd9b21e897a8c62882bb8a89a55439e87

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
SignatureFDcRe/Wb8nAZHJlIGrwsXT8tmv846zPzsdodZOwyU1wqER+7EpeuIVnY14rDbstkiJ0gomN9fVpnuE3pj6CYDg==
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

2026-09-17T11:41:29.423354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028624
observed eb4c2998f1a14deb4b990ac748505f67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:29.404525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028624/manifest.json
observed f3f9ee302ad66272315b669defe6924c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:29.386774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028624/publication.md
observed b7a0319b9ff5697d47dc325ef5f41caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:29.368210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028624/publication.txt
observed b8854c09f762375b58a519ead55980e0...
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.