OpenTechnical

OT-2026-000078213

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three 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-2026-000078213) never changes.

Identity and time

Publication numberOT-2026-000078213 · never reused
Internal UUID01a0ae95-7c26-7050-8b33-c0b3b7208fac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078213
StatusPUBLIC

Content hashes

Canonical text1bd06eebf62002ec297b2f354d6d0744ab12e12c23c694ff91476392d45ad32a
Markdown40b0748f096ae5f7c2c151e5c1f268e8799e05f57f1f51b367b92fbf26778caf
PDF
Publication paged9730b92665cc272c8a119dd653750ba9d90a5629e96fa0bc8f224e4b5450415
Manifest3e5545f8a5039cd75aa0db608ffbd31fb736715797ba703ed46e5205f7fa3fed

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
SignaturexypldqUXjqKMGhlFVidvfQ0o8PIvRg1NZVmEP1mb7ShLNocY0rVge01mb9t8lCLSMEDmCI60ZZSUBbpyavt4BQ==
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

2026-09-17T10:06:09.636858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078213
observed d9730b92665cc272c8a119dd653750ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.617692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078213/manifest.json
observed 3e5545f8a5039cd75aa0db608ffbd31f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.601676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078213/publication.md
observed 40b0748f096ae5f7c2c151e5c1f268e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.582334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078213/publication.txt
observed 1bd06eebf62002ec297b2f354d6d0744...
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.