OpenTechnical

OT-2026-000066477

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000066477) never changes.

Identity and time

Publication numberOT-2026-000066477 · never reused
Internal UUID01a0ae8e-ce40-71d5-a622-95eb7697db6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066477
StatusPUBLIC

Content hashes

Canonical text159ef42cf9b3200fb2b09cd7306b3303b8c40703b8d2fb0db752b4d2391e34c0
Markdownfa33c2f490d2aab71f7b80908bfcb68cd40d7f2c0b29b0697d22e376a35af311
PDF
Publication pageef5ad2f7289606ddd5f8a9ad1dbaab7e338636bf8318955cf7126a6a51e99ede
Manifest7ea97e833c14c534c2d5683dbb256af50ad7b7386753815686977f25a26157a4

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
Signaturec3YIM2jFofrE5x7KKglrQrHnF5LXTCX7ZTI+hzz00d2GpI1uPYqK/VlhGSfZgsbbLifcJKvpVWS7kr8imfpQCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:43.807370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066477
observed ef5ad2f7289606ddd5f8a9ad1dbaab7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.790486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066477/manifest.json
observed 7ea97e833c14c534c2d5683dbb256af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.773235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066477/publication.md
observed fa33c2f490d2aab71f7b80908bfcb68c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.755853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066477/publication.txt
observed 159ef42cf9b3200fb2b09cd7306b3303...
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.