OpenTechnical

OT-2026-000083623

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000083623) never changes.

Identity and time

Publication numberOT-2026-000083623 · never reused
Internal UUID01a0ae98-0416-7a48-a972-75e0472ccf5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083623
StatusPUBLIC

Content hashes

Canonical text68dec642239405bd3ed079fb6db847c831a60f1bc79ff0ee329b0858e0eb54e3
Markdownb626f5cd286ea39311498064ea46d33b8f46564f504894f6880f3d53d8931a11
PDF
Publication pagee31f39c0d17277f5b7eed177d6bd9dee68a111264649b4223a6d0cb503794c4f
Manifest9b96585b55479e4c4c995f51fc040a7d4448eb9dca4dcfa0e8e6c05130634c3c

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
Signaturewzb6XdXDhzF31c5cbDdV0tAup6upiVRIZEr8E1PrxKjCt5s8eeuymvucCS5KKYMPPAM45s52abass5dhHlVWAA==
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

2026-09-17T09:57:14.006488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083623
observed e31f39c0d17277f5b7eed177d6bd9dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:13.985504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083623/manifest.json
observed 9b96585b55479e4c4c995f51fc040a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:13.964013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083623/publication.md
observed b626f5cd286ea39311498064ea46d33b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:13.946090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083623/publication.txt
observed 68dec642239405bd3ed079fb6db847c8...
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.