OpenTechnical

OT-2026-000077500

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, vented after 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-2026-000077500) never changes.

Identity and time

Publication numberOT-2026-000077500 · never reused
Internal UUID01a0ae94-f50a-7e66-8cb4-dda81553b132 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077500
StatusPUBLIC

Content hashes

Canonical text8ac4e5c475bb4a42d0bd441004e39447390dd3185cfb21d09b3c02372d13ba7b
Markdown7fe57716b59d197b5ab148411ebc3e1bc3c741efc7d624b1d7717ef2cb75007e
PDF
Publication page47aac4529a97a21731130612a95533b050a515657528b39bc1dfe8411de6fa54
Manifest3516b4eab687aa1f68f1109e1995d215d12cf6032f9889de3352f838255aa917

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
SignatureTSzj2jhE/HbjISMcu3uaPWxV8NeUkvvzOUK95TvadSc875aX1VEOGtSKc9tE61scP7OVHiBv38T2bCyi+oiKBQ==
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

2026-09-17T10:09:11.453987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077500
observed 47aac4529a97a21731130612a95533b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:11.433869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077500/manifest.json
observed 3516b4eab687aa1f68f1109e1995d215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:11.415022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077500/publication.md
observed 7fe57716b59d197b5ab148411ebc3e1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:11.396457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077500/publication.txt
observed 8ac4e5c475bb4a42d0bd441004e39447...
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.