OpenTechnical

OT-2026-000074405

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-2026-000074405) never changes.

Identity and time

Publication numberOT-2026-000074405 · never reused
Internal UUID01a0ae93-717a-7496-8a77-b8f2f1c2e1fe · 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-2026-000074405
StatusPUBLIC

Content hashes

Canonical text73e4dacd3ca31a6f1592b2b8b88163c6d8b99aff743a962d5b81337d81b831ef
Markdown2d8d535be62260539104de5f5f351eddcfb9ac7e7a457b8fb641f22ca2f2b937
PDF
Publication pagecbe9446bbd296746449d21cdbe281658262c462628871bccec9c38a76f4c47b0
Manifestf582b4e05f6133424d386d7e6691987d677c2f39cf51b2b6db7cdb36c6a78cb2

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
SignaturemQyl4z1jNipEmqjtgcufzW7lCDV43ylMtigy6rh9i8PmhTMs3Vzssrj1XPYJuSuJ7aUTJlkEEhjQySY7R6/OAA==
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

2026-09-17T10:19:20.773450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074405
observed cbe9446bbd296746449d21cdbe281658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:20.754837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074405/manifest.json
observed f582b4e05f6133424d386d7e6691987d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:20.734799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074405/publication.md
observed 2d8d535be62260539104de5f5f351edd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:20.698903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074405/publication.txt
observed 73e4dacd3ca31a6f1592b2b8b88163c6...
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.