OpenTechnical

OT-2026-000074393

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four 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-2026-000074393) never changes.

Identity and time

Publication numberOT-2026-000074393 · never reused
Internal UUID01a0ae93-7179-7fe7-a0bc-329c0f4076e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074393
StatusPUBLIC

Content hashes

Canonical text1ffad5c9a7517bc45c624e5d71665a963a7f07f1603f3e740aac41ff4e76e2f1
Markdown640bcc689ae005a8433acd03a8a6113f6f3478f8205762e985420e53925afb6b
PDF
Publication page688d40e5e9e947d3fd34f6bdf5abcbc6ad168d73ab1647726f995142047d08b0
Manifeste2f5573422094fdcd10dc07fecf4b2ab66d2c3d9ba2c1dd72be6170a22a0402f

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
SignatureC+Hab/sbK6kFsSbc5bRY0f7giEQQkGAqF+r78C7UlHs0trDdfyDnoIoT7zwFGblhADaJw1LZrN9AmXyX2H1FDA==
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

2026-09-17T10:19:19.801963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074393
observed 688d40e5e9e947d3fd34f6bdf5abcbc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.783819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074393/manifest.json
observed e2f5573422094fdcd10dc07fecf4b2ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.765333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074393/publication.md
observed 640bcc689ae005a8433acd03a8a6113f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:19.746329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074393/publication.txt
observed 1ffad5c9a7517bc45c624e5d71665a96...
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.