OpenTechnical

OT-2026-000006373

Publication integrity record

Vacuum cup gripper, three zone face, pump fed, 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-2026-000006373) never changes.

Identity and time

Publication numberOT-2026-000006373 · never reused
Internal UUID01a0a958-b527-7d3f-88d7-d9d65d5ec5ce · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:32:38.186372Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006373
StatusPUBLIC

Content hashes

Canonical text9d177b3a1522e965cdb0b2ffc82fac332703b6313177922e6d1b85a0c5a30869
Markdownb68bfed98685f7c35ab6a9fa099c5e6b1ba98b0ddb4be04bfa6202281b40e62d
PDF
Publication pagebbb21850f74558f4f074d66a5125cc779b0a3d1f2e8270c3954676e08118c815
Manifest693e8f4a45e6098ace30076fdd461afca614b4d0ac476782a3e13359130bcf54

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
SignaturezjU9RgR28RXLgzwCgWXWzKkOUKxLdThjKByQNQmCu0HUweMUreeEI8yCP8fYuR6Cgn3KpVTXLXuR08qFemHVCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:25.415117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006373
observed bbb21850f74558f4f074d66a5125cc77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:25.400812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006373/manifest.json
observed 693e8f4a45e6098ace30076fdd461afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:25.388944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006373/publication.md
observed b68bfed98685f7c35ab6a9fa099c5e6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:25.375826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006373/publication.txt
observed 9d177b3a1522e965cdb0b2ffc82fac33...
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.