OpenTechnical

OT-2026-000069990

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000069990) never changes.

Identity and time

Publication numberOT-2026-000069990 · never reused
Internal UUID01a0ae91-1861-76a0-b1db-56cd888bc638 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069990
StatusPUBLIC

Content hashes

Canonical text882ec04da7744711e9f305c66c901c8207fd5b82ae8ac2f6edbf3ea149fc4aa0
Markdown02ee58d652b5a484cfc2176a9256218921d24abfe027de18cd9bea83d6500a07
PDF
Publication page2ac33c9ff72a54a34041602845a6a1790e654766882f1cad5ad3ce2deb91ad7c
Manifest0743225440f3fb07639c893ebf4313833bde4e1174b6b88cd691f27da302481e

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
SignatureK+0T+GCK2jKlJrhBrizJog30+6/x0JzXDFzF77czk4ar/0JTD+LWoE1FMg99eZlYcjjxVekGN1g5DtOeL3kpAA==
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

2026-09-17T10:26:56.192670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069990
observed 2ac33c9ff72a54a34041602845a6a179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:56.174569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069990/manifest.json
observed 0743225440f3fb07639c893ebf431383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:56.158367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069990/publication.md
observed 02ee58d652b5a484cfc2176a92562189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:56.140735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069990/publication.txt
observed 882ec04da7744711e9f305c66c901c82...
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.