OpenTechnical

OT-2026-000045871

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000045871) never changes.

Identity and time

Publication numberOT-2026-000045871 · never reused
Internal UUID01a0ae7d-8f06-7a7d-9e07-fa8f1f7a0035 · 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-2026-000045871
StatusPUBLIC

Content hashes

Canonical textb3b4639ba4f3848eedc0d32fc3784e3a2393601aa1f50c11b9e48fe47478f725
Markdown185da70c648b8d866911b1aefd434aa367fca5ba22f4dbf53c2ca72b9623c7ba
PDF
Publication page6323e52d075eb3335458916b0597fa82109c08a70437559d44a7d51a1fec203f
Manifest9e45fb2c1a941da58a619ebc08fb4465279ee054c704d361e3b35b290fd0b72a

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
SignatureOPcZTCNmwr8kVcfFSOSasFj4jnIQH8tZ3fOIEKYxycLsp/oG4wRGJNuxDVZFihWfzueCKvt24XpK/E9niSxxBg==
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

2026-09-17T11:09:45.514361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045871
observed 6323e52d075eb3335458916b0597fa82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:45.495017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045871/manifest.json
observed 9e45fb2c1a941da58a619ebc08fb4465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:45.477313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045871/publication.md
observed 185da70c648b8d866911b1aefd434aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:45.456541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045871/publication.txt
observed b3b4639ba4f3848eedc0d32fc3784e3a...
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.