OpenTechnical

OT-2026-000092621

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000092621) never changes.

Identity and time

Publication numberOT-2026-000092621 · never reused
Internal UUID01a0ae9d-b5fe-7a03-87b0-0e112e64f8ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092621
StatusPUBLIC

Content hashes

Canonical textf76ae3afbcb196360cfb15fb0e41b3b3f097071aaceb40cf232bf470d954e2cd
Markdown5bbcfb93542b06180bea2310e627273452bc0158092f61a5cc27797c6f649e72
PDF
Publication page57e89a4eb7c469805b4e3547973066b2382955a7bb85b0b575cc4e9c6076324a
Manifest5acb558b2b755e0621d180fdc7dc1de5051c37acb5a11f8d42e986a175fc203e

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
Signatureoal4nRyjBaZjnh4LJF1V9jaFFTrg7uG15ynXXWCNrp+xNiTFjy6MYckFJesOa/2pQZsYI4Jq/wacAG7ZMM9+Ag==
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

2026-09-17T09:41:13.241333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092621
observed 57e89a4eb7c469805b4e3547973066b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:13.224660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092621/manifest.json
observed 5acb558b2b755e0621d180fdc7dc1de5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:13.205472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092621/publication.md
observed 5bbcfb93542b06180bea2310e6272734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:13.185795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092621/publication.txt
observed f76ae3afbcb196360cfb15fb0e41b3b3...
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.