OpenTechnical

OT-2026-000076864

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000076864) never changes.

Identity and time

Publication numberOT-2026-000076864 · never reused
Internal UUID01a0ae94-b070-77db-aca1-5e438f1c522b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076864
StatusPUBLIC

Content hashes

Canonical texte7be0d02c21f8bd85523d60ab066c98e985ef0ba292d6ebcfdd5481de7d741ac
Markdown9d03cad1c7ffb1b455a6d7c70fa6c03910c1aa798ade276c63bbb575ba26149d
PDF
Publication pageb58eeb6014b9aa518768885a8cc71030e7c558ffd1614162ab84c99bb45caddd
Manifest36e0096f8d8988187761e35216ed8d25b417e5116337c211708b9128ea8aaa94

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
SignatureIOyC/JiziiVzmfMO0AQIqWWobdJhc+6q6bKfwH2CbFVteAEgEqOLxreneMfGA31934UGs7WVkmLPoR9tf3kKAg==
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

2026-09-17T10:09:45.420175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076864
observed b58eeb6014b9aa518768885a8cc71030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.399907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076864/manifest.json
observed 36e0096f8d8988187761e35216ed8d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.379439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076864/publication.md
observed 9d03cad1c7ffb1b455a6d7c70fa6c039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.358816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076864/publication.txt
observed e7be0d02c21f8bd85523d60ab066c98e...
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.