OpenTechnical

OT-2026-000067253

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000067253) never changes.

Identity and time

Publication numberOT-2026-000067253 · never reused
Internal UUID01a0ae8f-6bd6-7952-8d85-eb299030e817 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067253
StatusPUBLIC

Content hashes

Canonical text25f6207fad3a8db6ab914431937d82bb2c9411638644b72f7545fd2e19c7a6d9
Markdown85af835e85f052929e7fb8e1882b2dabaed08c760c2b5c5643dfdb9941fa6e72
PDF
Publication page8f1515a86d80aae0837345d191bd469c18920a3e3e318003a7583e98ab4c6208
Manifeste228e396831d63582a17930a8a26f45eacc40db7a48d5faff0fafd320a67732e

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
Signature0y/4ICWxtgm4NpfOL8TU7KMpB8Eh0ADxBSMJ2qb5JcwlxuFRnwRr+XbkKosDLloC40FQOW0mtwNSkgnsAae4Bw==
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

2026-09-17T10:30:55.704111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067253
observed 8f1515a86d80aae0837345d191bd469c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:55.685901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067253/manifest.json
observed e228e396831d63582a17930a8a26f45e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:55.669251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067253/publication.md
observed 85af835e85f052929e7fb8e1882b2dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:55.651477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067253/publication.txt
observed 25f6207fad3a8db6ab914431937d82bb...
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.