OpenTechnical

OT-2026-000044304

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000044304) never changes.

Identity and time

Publication numberOT-2026-000044304 · never reused
Internal UUID01a0ae7c-39d6-7995-a481-5c6c24a58867 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044304
StatusPUBLIC

Content hashes

Canonical text00fc66809fde3d27974a5e6f81e34d7faf71f0c53c89797a37bf9cd9ddb3a9e5
Markdownba553aa82d7af518861778bbff43109bc4a834c44dddb0878a2507f25d73e228
PDF
Publication page4401a02ec07bd09dfc1f355696419219a9bf2dc5b9157d5d04f00ecc9e07b4ed
Manifest98f005cb14315c559b127e6635629f72ecce94e7e482bbf5bfc101e012918711

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
SignatureE/AfxmwPTi+j2TTUChbUyWpOHsRrB6/4VXlHKtO1prfvcEp+TA42Oca2VXTH1To0cmNt+4HRZhTD4vP4UColAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:30:16.548599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044304
observed 4401a02ec07bd09dfc1f355696419219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:16.531125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044304/manifest.json
observed 98f005cb14315c559b127e6635629f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:16.512922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044304/publication.md
observed ba553aa82d7af518861778bbff43109b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:16.495503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044304/publication.txt
observed 00fc66809fde3d27974a5e6f81e34d7f...
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.