OpenTechnical

OT-2026-000039285

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000039285) never changes.

Identity and time

Publication numberOT-2026-000039285 · never reused
Internal UUID01a0ae78-9674-7fba-ad50-552c68ffa1a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039285
StatusPUBLIC

Content hashes

Canonical text442fd1a6770b717d3e68c1f119672dd49a8028815db7eafa5591b7d45c3ed699
Markdown57bb0060fd780cdf2679c29ce232369483a0a4bb52a8a13fa197eaf27cc6886f
PDF
Publication pagec3cdc23ca834153d5528bf07d1e09ac0cbef23c79ae6220b4a2ead3cf646ec97
Manifest3f8956463084784685340c8adbef38d649f63398bfc03eeef647ea089dc61033

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
SignatureVzNdvIsyk0hkYrXnXE3gRxqe4pteFGEuhoXqwUK0Kr43Rt9uGi7eyjFgrgYOGZ7n80Z7L1U9PnkGQ6+Awy2tDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:20:51.482611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039285
observed c3cdc23ca834153d5528bf07d1e09ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:51.463592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039285/manifest.json
observed 3f8956463084784685340c8adbef38d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:51.443452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039285/publication.md
observed 57bb0060fd780cdf2679c29ce2323694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:51.423728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039285/publication.txt
observed 442fd1a6770b717d3e68c1f119672dd4...
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.