OpenTechnical

OT-2026-000012209

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000012209) never changes.

Identity and time

Publication numberOT-2026-000012209 · never reused
Internal UUID01a0ae6d-39f5-792d-9366-4343feb5ee66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012209
StatusPUBLIC

Content hashes

Canonical text8fd4595daa140bc375d31cd91d1ab69ef45bc6b4fc40cba9c3115cc390a503a7
Markdown4f069e48778608406623cb49c3bd675f24e9d22ef32aeba267d6319f0c89dcb9
PDF
Publication paged2a6534bbd61d6bad2a3f809b00a6c1300d3def9508efc4a41bbbd1f093f93c1
Manifest7930030cc591653c9bc555d51b12afe3f11b2781e600d1b4a8298bb3603a218a

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
Signature008YImRDTF55D+toswvQ6yN/p1Jck6/r7gYYyrt1zvb12BqDUncqpA/kAuz8utGMSiQu1mhTKF37IGqiRGPOBw==
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

2026-09-17T12:11:07.407044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012209
observed d2a6534bbd61d6bad2a3f809b00a6c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:07.386647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012209/manifest.json
observed 7930030cc591653c9bc555d51b12afe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:07.364947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012209/publication.md
observed 4f069e48778608406623cb49c3bd675f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:07.345013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012209/publication.txt
observed 8fd4595daa140bc375d31cd91d1ab69e...
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.