OpenTechnical

OT-2026-000054081

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before set-down

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-2026-000054081) never changes.

Identity and time

Publication numberOT-2026-000054081 · never reused
Internal UUID01a0ae85-b3a7-7980-aced-83cc46e16321 · 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-2026-000054081
StatusPUBLIC

Content hashes

Canonical textd86bd876dc21ed4996a394cc05b52800ad8f36507b0d945ff68439bbd0707779
Markdownd7bad03451895369ee5003f8ec45174195ff59197000960926ff2328be7da3f4
PDF
Publication page890c81b2919c1d51ba5a5d13e2b5fa4fb41b934bfaa3112c9f85da0bf1a2abb7
Manifest841b1fdeb94325136c90ffe7cc5f9c465835f780175b13b32049d823169aac3b

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
SignatureCb3rUuxOCT6QlfQyhEQOfEP19JZe5W4RxEe/BDD8ZFTbXE3poMkDCXnjvcWDaoLsDolyJFLsFaaW5gDQelzHAQ==
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

2026-09-17T10:54:27.822219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054081
observed 890c81b2919c1d51ba5a5d13e2b5fa4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.804759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054081/manifest.json
observed 841b1fdeb94325136c90ffe7cc5f9c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.785148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054081/publication.md
observed d7bad03451895369ee5003f8ec451741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.766220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054081/publication.txt
observed d86bd876dc21ed4996a394cc05b52800...
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.