OpenTechnical

OT-2026-000051853

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000051853) never changes.

Identity and time

Publication numberOT-2026-000051853 · never reused
Internal UUID01a0ae83-7c84-75fe-bd69-b1ad5105062c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051853
StatusPUBLIC

Content hashes

Canonical text63a46fa3ec5d9bfc90b605d9e3defb556e056f95fd50303b6f6436e719c68d4a
Markdowned2be30ddf3ce0ba69d96b6b7daa880a267996ef17bd6bbb76a000597a23d4d0
PDF
Publication page121d02ce84c28ade602b72623ae0f196c01e3243e4481de1f4b27b4d7818b147
Manifest2d711ea4101a384a21ebb5a639689d9ccc26d05f4dfed7e663fba06c111efc33

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
Signaturec+6LYsf5nNWkjtUZw5rDiNBZh2WPiCKDz2W+ee0Nd6796CAUPDQj8NkT7TMJyxWVnFuB5gQu4s19lowDm05tCQ==
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

2026-09-17T10:58:47.074211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051853
observed 121d02ce84c28ade602b72623ae0f196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:47.057237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051853/manifest.json
observed 2d711ea4101a384a21ebb5a639689d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:47.039329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051853/publication.md
observed ed2be30ddf3ce0ba69d96b6b7daa880a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:47.020638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051853/publication.txt
observed 63a46fa3ec5d9bfc90b605d9e3defb55...
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.