OpenTechnical

OT-2026-000073130

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000073130) never changes.

Identity and time

Publication numberOT-2026-000073130 · never reused
Internal UUID01a0ae92-efb5-7904-9665-b0f5493b8c39 · 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-2026-000073130
StatusPUBLIC

Content hashes

Canonical textcdca8558c10c0e1367e1416585afd617d4fdfcb109c1e1b15403d9c09737a655
Markdown7e9d11c5a6f5d142eac80263b6e6f279bfcd395c46d36028e81975611c845f2c
PDF
Publication page4ee2a11bc0833fe3b9ea0ab46563f8c88eb9213fa53f516a25b1d62104c99b8c
Manifest3c929baf75f09caa95151135b2b0878d94ebc3883a4000a7547891efecee98bd

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
SignatureoWvlWONqmXT34actPQCgZf71172wzUtSC9MCPmmd2XCBAIXtUhiJY1eWweUS8AUKs1wyrTXz9V4Ik84Ue11nBQ==
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

2026-09-17T10:21:03.795044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073130
observed 4ee2a11bc0833fe3b9ea0ab46563f8c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:03.777009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073130/manifest.json
observed 3c929baf75f09caa95151135b2b0878d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:03.759951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073130/publication.md
observed 7e9d11c5a6f5d142eac80263b6e6f279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:03.741694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073130/publication.txt
observed cdca8558c10c0e1367e1416585afd617...
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.