OpenTechnical

OT-2026-000055838

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000055838) never changes.

Identity and time

Publication numberOT-2026-000055838 · never reused
Internal UUID01a0ae87-0a49-7548-b597-57b80ee8acce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055838
StatusPUBLIC

Content hashes

Canonical textfc73f24c21dfa9f16db492aebe2ddb4ae75ae7575634b1c1c859421498449ac2
Markdowne10335eaabd56b0da8a1fa461652fb1ea6bcee1990ec33b17b1de08d97ca944a
PDF
Publication page7267816c0ad6de01c45f2e6b0c6a86c97b26227162a515c907564b973c7c7b91
Manifest026ee0e7529e232ef34a66a5495ce4939dddfb712cc95b8313c3cb5c3245c12e

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
SignatureEbbOctXY5pPOROzx4DF3wmMPfZfardjU2/BmNEaiFaMXb6NtIl9f7Ag4f2+gPWK4qdq+ReZjEpNDLH0ghd3KDw==
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

2026-09-17T10:51:13.529663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055838
observed 7267816c0ad6de01c45f2e6b0c6a86c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.512495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055838/manifest.json
observed 026ee0e7529e232ef34a66a5495ce493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.494437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055838/publication.md
observed e10335eaabd56b0da8a1fa461652fb1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.477601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055838/publication.txt
observed fc73f24c21dfa9f16db492aebe2ddb4a...
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.