OpenTechnical

OT-2026-000075029

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000075029) never changes.

Identity and time

Publication numberOT-2026-000075029 · never reused
Internal UUID01a0ae93-ac2d-7b96-b637-2341c1a420ba · 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-2026-000075029
StatusPUBLIC

Content hashes

Canonical text81cf164c4e44aa3a3e742d2572204da813244c80f08a49b0e8d13c8d0bee072e
Markdown5574c922881b26b218731d856d99b17daeb8766584e2042658111f1578889792
PDF
Publication page71acdf4b7796c2f7a53d1c84a891ca45489b4ec72030966e2256f4f72b9268d4
Manifest82c535f061dec19bd6856363020de425029a9c3936acc07525d204eb996b4161

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
SignatureUx9XOpfpIYwLUc9WoC4/9rUDBMdsQgIR6BRxCJD+Pllp+BY0aV8yPrYNovs4ybOF0EJE6SISTXdFPexIUMuuCQ==
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

2026-09-17T10:18:50.503757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075029
observed 71acdf4b7796c2f7a53d1c84a891ca45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.487525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075029/manifest.json
observed 82c535f061dec19bd6856363020de425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.471390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075029/publication.md
observed 5574c922881b26b218731d856d99b17d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.454499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075029/publication.txt
observed 81cf164c4e44aa3a3e742d2572204da8...
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.