OpenTechnical

OT-2026-000073172

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000073172) never changes.

Identity and time

Publication numberOT-2026-000073172 · never reused
Internal UUID01a0ae92-efb6-7ba9-b355-0bb5718e0349 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073172
StatusPUBLIC

Content hashes

Canonical textbfc80be856880057bdf7967ad35417d212b50e1720d93d40703885d09cbe72bf
Markdownba7894de25f588df23a973dab37ee6feec91c2ee992434927c7682f703dd9da7
PDF
Publication page64d4f077ffcf2c6ea3c7ed440869b6e80287b3a969d984dc526b6aec38724144
Manifestd78489a87cf212377b93a9dee22c0ff369e2734fe417fdd87abb2b7d94034823

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
Signatureewai7UqbvDeTCucOxZGWNHgp2MBHMDNSXmB8bApRyy+bTnXI42R7v/r4An64kYanFmFZFJ0rwvQP8vFxrt44Aw==
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

2026-09-17T10:21:07.437268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073172
observed 64d4f077ffcf2c6ea3c7ed440869b6e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:07.418818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073172/manifest.json
observed d78489a87cf212377b93a9dee22c0ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:07.401248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073172/publication.md
observed ba7894de25f588df23a973dab37ee6fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:07.382226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073172/publication.txt
observed bfc80be856880057bdf7967ad35417d2...
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.