OpenTechnical

OT-2026-000057810

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000057810) never changes.

Identity and time

Publication numberOT-2026-000057810 · never reused
Internal UUID01a0ae88-6ed7-7d82-9f23-58c01bd6dfc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057810
StatusPUBLIC

Content hashes

Canonical textacb6cb0c9b61b2fc9e3c71c68e8deedcd56db3cae84998d6485092b353ce87e7
Markdown1ec22c465a2136f75619c5dba7542364ffd03060f30ad48c2ed4997e846ea46e
PDF
Publication page3e0a2e43db238b7e0a26776ab7f9492639fdbfdc11d50a131bf1ea7411727680
Manifest7b1eb4b9f056c7e6cd0b0572ac6550460df52c8df13ee3d2565a69cff74d2adc

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
SignatureecPM+8oZO/JmfwXhQgVwSht42l1wx0GP+wLQ2P9Rfue67iQQfk2/aYTgfEYN/UeKhCFuMS34heovpnad4I8TBg==
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...

Independent retrieval

2026-09-17T10:47:22.718414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057810
observed 3e0a2e43db238b7e0a26776ab7f94926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:22.699728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057810/manifest.json
observed 7b1eb4b9f056c7e6cd0b0572ac655046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:22.681665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057810/publication.md
observed 1ec22c465a2136f75619c5dba7542364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:22.662830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057810/publication.txt
observed acb6cb0c9b61b2fc9e3c71c68e8deedc...
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.