OpenTechnical

OT-2026-000070347

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, 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-2026-000070347) never changes.

Identity and time

Publication numberOT-2026-000070347 · never reused
Internal UUID01a0ae91-545f-7cab-86fd-08ef08446af5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070347
StatusPUBLIC

Content hashes

Canonical text8760ab463c0ffe66c236410ffacd9d6727c7c3249a3fb78eebf072d645d40bd8
Markdowne936dc7453e658b729caf978992b3b3101adcd5f3974852a6a72b29a4a9d0301
PDF
Publication page9917a404f73c59fb0fd2cc7ca15c70ebb9f055e72dc4d8b76fb1f50d4fc8dc9b
Manifestb14c07ea51256cd0956206698b295fd7153c23458e12ccff1e69ce066558c054

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
SignatureKSHUgZnhp0MK8MUt5MmUbXKfxBw0Yh5F5lFRDeOr3y6NcCKwv6UOxZbHOrh0zNhwz/M/ZfHVdjgTFrL3GRUQCg==
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

2026-09-17T10:26:08.565822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070347
observed 9917a404f73c59fb0fd2cc7ca15c70eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:08.549001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070347/manifest.json
observed b14c07ea51256cd0956206698b295fd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:08.528656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070347/publication.md
observed e936dc7453e658b729caf978992b3b31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:08.512293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070347/publication.txt
observed 8760ab463c0ffe66c236410ffacd9d67...
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.