OpenTechnical

OT-2026-000066341

Publication integrity record

Three cup vacuum gripper, three 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-2026-000066341) never changes.

Identity and time

Publication numberOT-2026-000066341 · never reused
Internal UUID01a0ae8e-8dc4-77cf-8bd1-085a309c3f39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066341
StatusPUBLIC

Content hashes

Canonical text306859307bb91e1d1b89400f8e5c0f00e6b683482f0cdc560cc515e7d843f9b9
Markdown29409d4b53d9788987dce4e5d223050f46b166d4c18580d4d50f1d6e05cc4b4d
PDF
Publication paged1ff50ba1562651c45a7205a84ba74d07403e78e31c3ef23dc48599fde41ef93
Manifestb199a8f35f0eaa71df609b37a363bc4ad4a08f67507bb8736bdbe69c7e19d05b

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
SignatureRf/mDNI1fZiMDNX/HNjmDgxvk59VmCQhULz1kbCra7/cGbepHNK01gu/4hmcM4biZ37RsqS8rwODiS/DCCK5CQ==
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

2026-09-17T10:33:32.008688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066341
observed d1ff50ba1562651c45a7205a84ba74d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:31.989363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066341/manifest.json
observed b199a8f35f0eaa71df609b37a363bc4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:31.969069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066341/publication.md
observed 29409d4b53d9788987dce4e5d223050f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:31.951107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066341/publication.txt
observed 306859307bb91e1d1b89400f8e5c0f00...
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.