OpenTechnical

OT-2026-000082438

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000082438) never changes.

Identity and time

Publication numberOT-2026-000082438 · never reused
Internal UUID01a0ae97-4d96-7744-9629-b0fc4de5103c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082438
StatusPUBLIC

Content hashes

Canonical text8c9e2d9fbe30f547e11a7ee1cabfa5d6e10ad263e13915626bdd03377b4659ad
Markdowne645a115d3c2d025b431ffd49acb3ae6c1b81aac11e30d6e2f4d3d197cf7b8e9
PDF
Publication page3a49cd364a3a1691820e3b8c885cf6877c2c6479b29547465075f74dca192f5c
Manifestf317fe8b9d80658c19a9c0b68cda17afd5ec81b089e6e75908407e857213a9c7

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
SignatureU34nPUVRAF/2v9K73EysWcgEn292DZ2ncUzb2hu/PTesFm9SpI6dsow/cwq1nuvJlp5s/kh81DPjKy8ClGv2Cw==
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

2026-09-17T09:59:26.118813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082438
observed 3a49cd364a3a1691820e3b8c885cf687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:26.094773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082438/manifest.json
observed f317fe8b9d80658c19a9c0b68cda17af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:26.076427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082438/publication.md
observed e645a115d3c2d025b431ffd49acb3ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:26.053698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082438/publication.txt
observed 8c9e2d9fbe30f547e11a7ee1cabfa5d6...
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.