OpenTechnical

OT-2026-000057058

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000057058) never changes.

Identity and time

Publication numberOT-2026-000057058 · never reused
Internal UUID01a0ae87-d5b7-7cf9-821b-f47b99f9cf33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057058
StatusPUBLIC

Content hashes

Canonical textbc3f009af6677cd7d192ba33abaf9e5793f3d98836d07fdba0925a6614ab4537
Markdowndc971bd3af8ee8ac85440e72b563a672b11699c52c8d8799d983eae2bd2f61b6
PDF
Publication page3b944e7be25007625d681a0ac48a151e3be6a8ea20fcb248344ca12eb3e66fc5
Manifestc8ba5246a9b55836eacdf647d00d56dfbe065e8b708672c25179e44155a818c7

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
SignatureHGLkt59wozVQfyjUia9T8oPBtDvU93Lr0huDYPArtQPdAEVQFcNL8VUsYIr59XvxWbmYuHtj6bxJnNr5UEojCg==
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

2026-09-17T10:48:32.813176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057058
observed 3b944e7be25007625d681a0ac48a151e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.795099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057058/manifest.json
observed c8ba5246a9b55836eacdf647d00d56df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.776616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057058/publication.md
observed dc971bd3af8ee8ac85440e72b563a672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.760641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057058/publication.txt
observed bc3f009af6677cd7d192ba33abaf9e57...
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.