OpenTechnical

OT-2026-000072554

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line 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-2026-000072554) never changes.

Identity and time

Publication numberOT-2026-000072554 · never reused
Internal UUID01a0ae92-89d8-7304-9d91-8879144ece64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072554
StatusPUBLIC

Content hashes

Canonical text99edd6d48537155569e3211f9a744d4b1bd5c95a3041317de39306764aa9d050
Markdownd2afbc213347f84c1c3b9a3ae7232a88e8e44984c598ce384697e5accc3b36b5
PDF
Publication pagef09d185b48d9988c608ff18444919762937dce7f778c1103db3f7bdaf908813d
Manifest0b0ce961e5344339a044379517e1cbce86104709f5571361deed6a61bf0e174f

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
Signature1X5GA/lD23yKV7fFOUY804NNjVX690SRC6XTH+daz8tbt7NpyYU2Ld8m+0zPw1ANlC6mwXehR+oj/ZiuisPDDw==
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

2026-09-17T10:22:23.171995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072554
observed f09d185b48d9988c608ff18444919762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.153884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072554/manifest.json
observed 0b0ce961e5344339a044379517e1cbce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.135548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072554/publication.md
observed d2afbc213347f84c1c3b9a3ae7232a88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.118049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072554/publication.txt
observed 99edd6d48537155569e3211f9a744d4b...
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.