OpenTechnical

OT-2026-000054733

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented before set-down

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-2026-000054733) never changes.

Identity and time

Publication numberOT-2026-000054733 · never reused
Internal UUID01a0ae86-1284-7888-aacb-d72886a38166 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054733
StatusPUBLIC

Content hashes

Canonical text80d37480c468e405d3f73400345f3fd9dbe14e447bb2ea20380a0b92b8c7cdbb
Markdownfce7c0008cd1e2347337189109f424004403d8ce00a702e32d8a274b4f525b3b
PDF
Publication page73863d4cf98bcb3bdf560c5b39aecba566537a0b4ba263a6d3f133f9cdce9bf9
Manifest67bc674c21bf2e83f8564833a0df0cc621f19f691976a83536a0bc21fc4c31fc

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
Signature3frgkOGy7PtB5bvcivlE2Y5qRIqUAvI/AH+Do10LAqkksH13ksARIUJ17YJSohzez+/krXx94zeI/DY2KGSaBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:54.935674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054733
observed 73863d4cf98bcb3bdf560c5b39aecba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:54.915661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054733/manifest.json
observed 67bc674c21bf2e83f8564833a0df0cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:54.897657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054733/publication.md
observed fce7c0008cd1e2347337189109f42400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:54.879495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054733/publication.txt
observed 80d37480c468e405d3f73400345f3fd9...
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.