OpenTechnical

OT-2026-000089456

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000089456) never changes.

Identity and time

Publication numberOT-2026-000089456 · never reused
Internal UUID01a0ae9b-db02-7d08-bdaa-f38ea8928b28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089456
StatusPUBLIC

Content hashes

Canonical text65ff77a991eb7ddea2063c3ad6cbddb7d4d7b62927ada02494cd96b402732b7d
Markdown1c2e2e1f77ea1f3a8f83d63abdc644a6bbd3e1385f051bae042732d250a48713
PDF
Publication pageaabf6299ea251d6ab03118b8b4fe787f2b9d1f0c368d1d092556ecb1453dba2c
Manifest5e0312a2509ef5bee601864da2c2829ac353b3d31f3bd14b5aab16277320bd76

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
Signaturepp+oEhXA6B4704e3Fh+N9jJgLq++wc7L9uR/JJYuAjYkw2GkbzXpNAgnlldy+lx6SBj87GqMVnBX/Z8G1DuuCA==
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

2026-09-17T09:46:55.299535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089456
observed aabf6299ea251d6ab03118b8b4fe787f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:55.280382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089456/manifest.json
observed 5e0312a2509ef5bee601864da2c2829a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:55.262889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089456/publication.md
observed 1c2e2e1f77ea1f3a8f83d63abdc644a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:55.247511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089456/publication.txt
observed 65ff77a991eb7ddea2063c3ad6cbddb7...
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.