OpenTechnical

OT-2026-000074834

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented before set-down, on a tool changer

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-2026-000074834) never changes.

Identity and time

Publication numberOT-2026-000074834 · never reused
Internal UUID01a0ae93-ac2c-72ad-b90b-cf75dafd0ca0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074834
StatusPUBLIC

Content hashes

Canonical text002e941e68736df0f80cf80c80f7d99d76bde629dbc47b3503293dfd16de60c7
Markdown06f1d6b2d2edb12213259b001ade56e9b63a6c1d5aee750c2a7f43eca408b080
PDF
Publication pagefd25559a15eecf4f8ae01570d74e3a8ecc10a962c9cf6d021c94af567bb36361
Manifestfd45f20def1fec04d82103b3f61cfe1e3f55893f2a1bdc860488234f7fa596cb

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
Signature3k8VQ+DVRys3fStma0PF3IEHxIaDIe9uvSOWWZczvg3Tygo0HL97D4HYjjuQ+MVro52FvlH0YKCHbRpUWRAfDA==
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

2026-09-17T10:18:32.667239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074834
observed fd25559a15eecf4f8ae01570d74e3a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.650534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074834/manifest.json
observed fd45f20def1fec04d82103b3f61cfe1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.635181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074834/publication.md
observed 06f1d6b2d2edb12213259b001ade56e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.618029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074834/publication.txt
observed 002e941e68736df0f80cf80c80f7d99d...
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.