OpenTechnical

OT-2026-000056425

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000056425) never changes.

Identity and time

Publication numberOT-2026-000056425 · never reused
Internal UUID01a0ae87-4bd2-7a6d-ba04-3ba424fb814a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056425
StatusPUBLIC

Content hashes

Canonical text146c55d4947a0fc2afb193ce5a0c418ef84fce42efe55cbef4cea43da14a0316
Markdownc0c0df9bbcc22a14e4f38b292d2865fd945e0bf72fda807c798a5404bb6fbe1b
PDF
Publication page6f39d27e8feddecc6181a6383635bd6d6dd28b6c2683dd448209481e273e6a4f
Manifestd75f262b172d207ba6022158d23a9a77c979e6338078e7331f23e313b9b7521a

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
SignaturerNA9R05buvChYKnmEchCa6qcJnxXPy0FL8Hd1m0kkboS/esBb+PXGVsK5Re+hBMAYqORil5qxZHsdxijO3SlDw==
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

2026-09-17T10:50:57.462805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056425
observed 6f39d27e8feddecc6181a6383635bd6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:57.447160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056425/manifest.json
observed d75f262b172d207ba6022158d23a9a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:57.428576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056425/publication.md
observed c0c0df9bbcc22a14e4f38b292d2865fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:57.411651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056425/publication.txt
observed 146c55d4947a0fc2afb193ce5a0c418e...
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.