OpenTechnical

OT-2026-000045971

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000045971) never changes.

Identity and time

Publication numberOT-2026-000045971 · never reused
Internal UUID01a0ae7d-8f89-79dd-b232-08a0eff7b598 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045971
StatusPUBLIC

Content hashes

Canonical textb0c4a8a201239b73b8a9cdd415a09b9ca63ba327abc17a3247395d6f707e4438
Markdown9a016de2b01462c68a8a32e619856ad34a611370cf9a2ec0c5a4f086765e8927
PDF
Publication page7f29eaa0e6d4e02d735eae8c3f715ec14c26c5ed82bc1696665d56d1e5642360
Manifest13f322c9727a5d019c9c4b70507dd2672d8d8b291503cb632d9da799357c476a

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
SignatureQfZgn90Wu4aAL9VleKq08rP5bXDIauj7QhJ55RE5Uo67BGuUJHALsNLKNFhCic0YmWEUS8v9fSRWjAEjsqXRAg==
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

2026-09-17T11:09:57.708574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045971
observed 7f29eaa0e6d4e02d735eae8c3f715ec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:57.690032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045971/manifest.json
observed 13f322c9727a5d019c9c4b70507dd267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:57.670409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045971/publication.md
observed 9a016de2b01462c68a8a32e619856ad3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:57.644559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045971/publication.txt
observed b0c4a8a201239b73b8a9cdd415a09b9c...
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.