OpenTechnical

OT-2026-000012153

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed 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-2026-000012153) never changes.

Identity and time

Publication numberOT-2026-000012153 · never reused
Internal UUID01a0ae6d-39f4-76e6-a1d8-9ad7e3acd897 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012153
StatusPUBLIC

Content hashes

Canonical textfd6af74e8caf009f89fdf69bc287b4cc1c75854d03e40e71d45a9d0139a3371e
Markdown0c0f79afb8bd5b750144e768535fcf77544f4e86f6035f763b8db361f06994db
PDF
Publication page832d08ffe9309e0a977fd80614587c4ffca2b7e5c557db8e19c2c516de3b367a
Manifesteed8823f42368f927e446afc391a0c8ef1ba18f407d2017cd9619d2d395f355b

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
SignatureBiZtioTnlzEzo1TmjRNjoxOZHhQ7Vja1HgNE8sf/H1bIJUwb8Kpaz3YhUGLYc0W9fz3fpwNW2C9fyOoD2romCQ==
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

2026-09-17T12:11:02.987375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012153
observed 832d08ffe9309e0a977fd80614587c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.970696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012153/manifest.json
observed eed8823f42368f927e446afc391a0c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.950676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012153/publication.md
observed 0c0f79afb8bd5b750144e768535fcf77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.931364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012153/publication.txt
observed fd6af74e8caf009f89fdf69bc287b4cc...
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.