OpenTechnical

OT-2026-000069609

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000069609) never changes.

Identity and time

Publication numberOT-2026-000069609 · never reused
Internal UUID01a0ae90-b52c-7c35-9543-7f8b7882ebf2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069609
StatusPUBLIC

Content hashes

Canonical text55553db4a5ae18970a54687308d85bc31df2a0d18131f3aeeddc1b954cd4a27d
Markdownf73750c0102ea201c3c0ef6c07d0e44f873e9b901c21f080cbe899e5d531ad17
PDF
Publication page103877f287315a2435f168b7d33a8ffd02a9885fd0eac4a7eda7d0b860ec070f
Manifest51e0e48bab95e866752fca669be493034c1df746bec242d1cee34cfa5e57ec31

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
SignatureNA2SWGYyqQt66b0i2wkZbdf8e3YwI1F3WmS4WA+nHYcYJZCBbv7VfOYHSK0aHiuth/EBkeJZvzbL0bN89+TNAw==
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

2026-09-17T10:28:16.198045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069609
observed 103877f287315a2435f168b7d33a8ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.180383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069609/manifest.json
observed 51e0e48bab95e866752fca669be49303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.163107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069609/publication.md
observed f73750c0102ea201c3c0ef6c07d0e44f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.146152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069609/publication.txt
observed 55553db4a5ae18970a54687308d85bc3...
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.