OpenTechnical

OT-2026-000073404

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000073404) never changes.

Identity and time

Publication numberOT-2026-000073404 · never reused
Internal UUID01a0ae92-efb8-73db-9edb-ec24b71c1284 · 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-2026-000073404
StatusPUBLIC

Content hashes

Canonical text2a8ffc3b3a5bee8e87406ea7ddc72b9521e03e1d895c32490253ae30d59f63d5
Markdownd8fd709a6c98b8ad8f4035e62dfd7372d24f931046d35c752c04d353120ade58
PDF
Publication page0cc0a11ffec752a945bc45a5d2562f6e4f8886e8f7152895d11bf6aadef3b95e
Manifesta4f723fd8a2e2f343da98196361c31cd4e3283ca5074bad3be1735df0e1e8121

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
Signatured1tOy5Vj3Ov3LBGioMOYNI973ocHTsuL8R8zPRUhF3eiTxWCrYWMjhjm21a+Rh1FCgxBRA8LZl2RmnCTYaEnBA==
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

2026-09-17T10:21:26.954697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073404
observed 0cc0a11ffec752a945bc45a5d2562f6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:26.934110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073404/manifest.json
observed a4f723fd8a2e2f343da98196361c31cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:26.916398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073404/publication.md
observed d8fd709a6c98b8ad8f4035e62dfd7372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:26.899088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073404/publication.txt
observed 2a8ffc3b3a5bee8e87406ea7ddc72b95...
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.