OpenTechnical

OT-2026-000065637

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000065637) never changes.

Identity and time

Publication numberOT-2026-000065637 · never reused
Internal UUID01a0ae8e-46fa-7535-8c5d-3ced997508f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065637
StatusPUBLIC

Content hashes

Canonical texte9e19e32af474837e9e04c9968a73f2d13dd5ab3d7320e9acaa8921b20e92a08
Markdown11cb294aaa5d74c49467663be3a49c71d7a4bf0b06c89006444893a6c01d69d4
PDF
Publication page55c1f111788ebe5e0c5f3e4d258a62451d001f5842ddfac14e438d6759fe7a12
Manifest9b957d444a98d6f8f30c9ad803e25f8d36de198040d6d66504de45268cc16df6

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
SignatureOrZRej4MctEodlzp4rvITZBk9sHvOzrIeI2xaDGXoLTr/pwYvh/PYYILRLQ4dkHx51GsYB944W0iqL5i1miNCw==
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

2026-09-17T10:34:01.940336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065637
observed 55c1f111788ebe5e0c5f3e4d258a6245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:01.923904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065637/manifest.json
observed 9b957d444a98d6f8f30c9ad803e25f8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:01.905948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065637/publication.md
observed 11cb294aaa5d74c49467663be3a49c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:01.887911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065637/publication.txt
observed e9e19e32af474837e9e04c9968a73f2d...
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.