OpenTechnical

OT-2026-000025390

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000025390) never changes.

Identity and time

Publication numberOT-2026-000025390 · never reused
Internal UUID01a0ae71-5fa7-7697-ab2f-4a98329db438 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025390
StatusPUBLIC

Content hashes

Canonical textf001d3ad34645d46978cbe3f777cb1c44fb21f730ef0d3e606aa81f4fd7642ca
Markdown45023bb67b96d5030a6d00c9ba524ff27e276b5efcedc0ea25146a10d05d4d11
PDF
Publication page61182c009c95a79ca61515c6d382f9edab9bc81b46279260c8dd549661aa94a3
Manifestfbd5035a818b3520643471e3e80c02fec0ba60e40845d7a14b6bf44aa5a2b6be

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
SignaturePSjZ1ubsz95rucbqZ0v7I0GvXHdtM7x9rie8ykzNPBK3c9VPNe7fSOJspqwrXMNPxTVie9hVBn0++wJfiz/iAg==
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

2026-09-17T11:47:27.443929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025390
observed 61182c009c95a79ca61515c6d382f9ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.425399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025390/manifest.json
observed fbd5035a818b3520643471e3e80c02fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.408056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025390/publication.md
observed 45023bb67b96d5030a6d00c9ba524ff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.392504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025390/publication.txt
observed f001d3ad34645d46978cbe3f777cb1c4...
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.