OpenTechnical

OT-2026-000049929

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000049929) never changes.

Identity and time

Publication numberOT-2026-000049929 · never reused
Internal UUID01a0ae81-fd76-7a93-9f75-2db8ac6c8616 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049929
StatusPUBLIC

Content hashes

Canonical textc6b3a788322b5d1b08c166626b7bc149827305ce9c2c156cac8dbb2f31da7399
Markdown5764366ebdcafde017c0b9034fcf2a19797e201fb5b88ae598591b353484cd35
PDF
Publication page0e8b5a88e3babb0283005648b115083dcd102cc137cd540f598db61700b6d4d7
Manifestaa7eb2c948771f96a62b1cb4aa97e5d71d283f510b21f07a0a962892c5f19ff2

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
Signature6/gpxp6fQrFGjhYOztEM7IEeVD6OxCz5/ue4wJMAxOqK+NmihGVycEVH0qE7JdKd7IzmBNLBkm6ac06UYjtaBA==
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

2026-09-17T11:01:51.593813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049929
observed 0e8b5a88e3babb0283005648b115083d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:51.572693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049929/manifest.json
observed aa7eb2c948771f96a62b1cb4aa97e5d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:51.551070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049929/publication.md
observed 5764366ebdcafde017c0b9034fcf2a19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:51.528583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049929/publication.txt
observed c6b3a788322b5d1b08c166626b7bc149...
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.