OpenTechnical

OT-2026-000067454

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, vented after 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-2026-000067454) never changes.

Identity and time

Publication numberOT-2026-000067454 · never reused
Internal UUID01a0ae8f-6bd9-7728-a262-86df3d847b59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067454
StatusPUBLIC

Content hashes

Canonical textdc35d2c27441a6ad8045ac515de5d16712a62384134ef11528d48ee904a0081d
Markdown23f0c9b8cf6e9015de44012a50cdfe6dd07694fd7f4fd84f9b08b8cf7d0528a9
PDF
Publication page5ddf20393341ede8904a07485330c70ca2761de91f9e991de059e40920098de5
Manifestffcc2c69b3dde8336018889b6fbeaee3eb6a07bd9c1af4df657c7e3a59e41320

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
SignatureLE8Eeesw/FkdK3KM1H9El7X9yvpkivLsbG8jx5P3rBM0tvqI1fJp2woG9Nq0k7yvJthU8ln/YYMF79r7J84PCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:39.586087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067454
observed 5ddf20393341ede8904a07485330c70c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:39.569546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067454/manifest.json
observed ffcc2c69b3dde8336018889b6fbeaee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:39.552038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067454/publication.md
observed 23f0c9b8cf6e9015de44012a50cdfe6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:39.536808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067454/publication.txt
observed dc35d2c27441a6ad8045ac515de5d167...
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.