OpenTechnical

OT-2026-000054027

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000054027) never changes.

Identity and time

Publication numberOT-2026-000054027 · never reused
Internal UUID01a0ae85-b3a7-7894-9929-7308e3983a92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054027
StatusPUBLIC

Content hashes

Canonical textbb748d875fa789362db4b89840cf12802a19980bfc5a87d51517456c405c8c6b
Markdown0df960eb1b4b23d6dd7a8973fa50c6e41832ea4966c6c0b89294f6fb630e845a
PDF
Publication page045855407cee73350fc8d7d10df9985781bf8fc9f869e15eae063dff455f2123
Manifest323ccc240555cf5177b5407c96ad59e656ced24c3a73affe3ab450e4a1337629

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
SignaturePOeiiWAuQ/4NAuRVFu1sy479A4vQbH0qfLRfg74gxieqNDv+7tP5Mnq0ZZXa5ckKqfiPg0h34loHxJJ3z/rgAA==
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

2026-09-17T10:54:23.397738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054027
observed 045855407cee73350fc8d7d10df99857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.376234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054027/manifest.json
observed 323ccc240555cf5177b5407c96ad59e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.355904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054027/publication.md
observed 0df960eb1b4b23d6dd7a8973fa50c6e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.335789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054027/publication.txt
observed bb748d875fa789362db4b89840cf1280...
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.