OpenTechnical

OT-2026-000080720

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000080720) never changes.

Identity and time

Publication numberOT-2026-000080720 · never reused
Internal UUID01a0ae96-b973-7b93-98b3-a92076b12617 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080720
StatusPUBLIC

Content hashes

Canonical text829a17ded39c3a13824a899cced903206e13f3b1ee5c52d40a57b4f781a8a8d5
Markdownde7afe05e192ee2274686d8ce2d4b234119fc0494a333c5aee350c86879fb8f0
PDF
Publication pagec73f5ad15a9a95807e6901bba7cd97a883ad04fb1de5087574a14a8d882694f4
Manifest8db188b67915b0dcb78b04ad475911b8a6d3f3d9eb96eeca93d97d3c2b4231ed

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
Signatureia3sl4JpxIvsLx4Piw4Nzai8xxm39VsX5tvuViz9DNFKUU5yTan7gLaLnOdG16DbXSAiVQbCljg4n3Tu1DIhDA==
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

2026-09-17T10:01:45.360397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080720
observed c73f5ad15a9a95807e6901bba7cd97a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:45.341397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080720/manifest.json
observed 8db188b67915b0dcb78b04ad475911b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:45.322589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080720/publication.md
observed de7afe05e192ee2274686d8ce2d4b234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:45.304806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080720/publication.txt
observed 829a17ded39c3a13824a899cced90320...
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.