OpenTechnical

OT-2026-000089732

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000089732) never changes.

Identity and time

Publication numberOT-2026-000089732 · never reused
Internal UUID01a0ae9c-1a22-726c-a596-910230dabf54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089732
StatusPUBLIC

Content hashes

Canonical texteccbdac5e3e267d0bc48228e21d9fc64f3e2754e653941dfe0cfe9a220eae468
Markdown8033834ac05322da7e657603a34284286a27a0d0d76dc952e1572f0c57be27be
PDF
Publication paged06268e89cc930bb771c4d3e4517095d6d963864b13b4ee57242fb08cfaca3ad
Manifest2c342e6516e6647de16649b3fbb97cd49f84591da680f7a50e46a306a32032b9

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
Signatureny8RYSHkiY3nD9jV/G2oJkTze8IrMgv5TXV1v4FukNhAlAjsxojh0OSKw2twmF4j9lfLfhYzv49SF4JoFjCMDQ==
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

2026-09-17T09:46:44.377214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089732
observed d06268e89cc930bb771c4d3e4517095d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:44.361423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089732/manifest.json
observed 2c342e6516e6647de16649b3fbb97cd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:44.345714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089732/publication.md
observed 8033834ac05322da7e657603a3428428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:44.328874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089732/publication.txt
observed eccbdac5e3e267d0bc48228e21d9fc64...
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.