OpenTechnical

OT-2026-000080792

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000080792) never changes.

Identity and time

Publication numberOT-2026-000080792 · never reused
Internal UUID01a0ae96-b974-7afd-bbb8-20c25cb5fca2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080792
StatusPUBLIC

Content hashes

Canonical textf7c35da2c5cd9264d336f85554ad47054f70eb669e60505284131fa54020a2fd
Markdown7c41f63ac8774b04a9e0d7b9bba23d301452a9c55fce9938376155533f1a3db0
PDF
Publication paged5b93d4543caaf2025ebdef26867ce5d7c0c5d228b05c8055941b1f7f10bc76b
Manifest163487bbf5723ff73c905ef6645ad8422232983fd127d9fcdc2c3286143384e5

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
SignatureffHHzS58V2siCEEO94kPazvluZvH/K/RVj/A6XlLT4jJ/f4oD/iFXbHgoxjOAQBmFNTLwH1n/OJYeCaoZftYDw==
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

2026-09-17T10:01:58.039846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080792
observed d5b93d4543caaf2025ebdef26867ce5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:58.019746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080792/manifest.json
observed 163487bbf5723ff73c905ef6645ad842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:57.998189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080792/publication.md
observed 7c41f63ac8774b04a9e0d7b9bba23d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:57.978915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080792/publication.txt
observed f7c35da2c5cd9264d336f85554ad4705...
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.