OpenTechnical

OT-2026-000074411

Publication integrity record

Foam pad 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-2026-000074411) never changes.

Identity and time

Publication numberOT-2026-000074411 · never reused
Internal UUID01a0ae93-717a-7607-b836-60d37637a40f · 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-2026-000074411
StatusPUBLIC

Content hashes

Canonical textb75b465a85ce17045c67338ef434928cb571f8261492fafd9fc5560e324afd1c
Markdown5bb1a29a9a0cc7ad19656052bdf0c9b6eac9759a924560f3bfd190d039a614cc
PDF
Publication page15a141c04b69f8a2bea8cff78c9bf15fb9dc0828375fa4f246c70c46e7006955
Manifestb12ed6214c43480c32d2cae0a7970e19c05e9d0add35ddb87ffd0698b348abb1

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
SignaturenylCWCp41TSoXlJGSQDnEiNO5M+rSAJeICVa3+fazdktmbSCcsXBNwLL7mzbR0vgnyCWDAae9tLjksvaRMjDCA==
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

2026-09-17T10:19:21.245834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074411
observed 15a141c04b69f8a2bea8cff78c9bf15f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:21.225770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074411/manifest.json
observed b12ed6214c43480c32d2cae0a7970e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:21.205817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074411/publication.md
observed 5bb1a29a9a0cc7ad19656052bdf0c9b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:21.187583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074411/publication.txt
observed b75b465a85ce17045c67338ef434928c...
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.