OpenTechnical

OT-2026-000053309

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000053309) never changes.

Identity and time

Publication numberOT-2026-000053309 · never reused
Internal UUID01a0ae85-0a15-79c1-a121-2bfd06b09338 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053309
StatusPUBLIC

Content hashes

Canonical text82f3bb5c7a4b3ceb8ee5fccb787a5e831bf9e58b218ae03448eb6ac95d411342
Markdown63b2d54a0ca78642b475da6e4c4a5edf3ab0b04a4dec7e0a50a7b344cd1ffa9d
PDF
Publication pagef9e44defda0299c94afb750d68dfaf6f705aba7d50087f5847fd243380f0195a
Manifest9b901c0717c01107c32c0a7406901a45a4b23cb6854a9e525771fe9021d0f8f4

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
Signature8fMIpbiChvc1v5esdJcv/jKK2XlsGfRNitmYajCTIPA7oZEsYF9jH/vG7EI27uRmZ94afdKgrvxOdK7LRERHBw==
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

2026-09-17T10:55:00.068374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053309
observed f9e44defda0299c94afb750d68dfaf6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:00.049702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053309/manifest.json
observed 9b901c0717c01107c32c0a7406901a45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:00.031021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053309/publication.md
observed 63b2d54a0ca78642b475da6e4c4a5edf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.987118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053309/publication.txt
observed 82f3bb5c7a4b3ceb8ee5fccb787a5e83...
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.