OpenTechnical

OT-2026-000054105

Publication integrity record

Two cup vacuum gripper, two 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-2026-000054105) never changes.

Identity and time

Publication numberOT-2026-000054105 · never reused
Internal UUID01a0ae85-b3a8-772f-826a-61bd0ba76a40 · 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-2026-000054105
StatusPUBLIC

Content hashes

Canonical textd9c1075b8bc4453dd272b931eb79684c57e6d7eb3c8dd77c112bca505cc2a789
Markdown843d27a5e216e44dcf3fdc3831f69ca6f365643e63d3a2a6d1572ea4e2d19c4f
PDF
Publication pageb4cbf249011706126ae1a8315b141e65bbb2dc0c8b2fd3e1919be3ae1423e006
Manifest4134adfefd4b6d2ceb91f33a4770cebbf0195e3b8f1044bd0d2f2b66ae29a81b

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
SignaturessNb7zmzZ2hEsJSiyPTm6giDHbpbWP4tOpMfNso0HS6S9NA8qrQvbTdH19dkibvc7iq3iJijdrmNaKBCdaS6AA==
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

2026-09-17T10:54:29.867078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054105
observed b4cbf249011706126ae1a8315b141e65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.847925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054105/manifest.json
observed 4134adfefd4b6d2ceb91f33a4770cebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.830092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054105/publication.md
observed 843d27a5e216e44dcf3fdc3831f69ca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.811673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054105/publication.txt
observed d9c1075b8bc4453dd272b931eb79684c...
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.