OpenTechnical

OT-2026-000013669

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000013669) never changes.

Identity and time

Publication numberOT-2026-000013669 · never reused
Internal UUID01a0ae6d-8de8-76d0-8469-a20bcce1911a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013669
StatusPUBLIC

Content hashes

Canonical text634ac33142cbcfdb3c5c2714a2eff57b1b27b059017e90f1717e9ca381c9fb01
Markdown45e4c6fa7f8055aeccf5ba29c23a28a35100d2ee6943a34901473d47bfd26721
PDF
Publication paged58c55c8aacf1e89681dca93fbdc0213b26732f781496c3e7e7ab0a8dd1dbb7c
Manifest6aeb52307ab0ba6e3bfb31174e0776926dd550500a5c1ff29d07d6d26d36693d

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
SignatureCVH4JnEzPXc4hSdWOuybJ9erAQ7NIkc3V8vMYf1w7BR8wBrq6EH8F7Qkwwd1Lesb2XYFSzy/BidfKvl0aF4+BQ==
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

2026-09-17T12:08:36.824500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013669
observed d58c55c8aacf1e89681dca93fbdc0213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:36.807465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013669/manifest.json
observed 6aeb52307ab0ba6e3bfb31174e077692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:36.789658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013669/publication.md
observed 45e4c6fa7f8055aeccf5ba29c23a28a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:36.770662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013669/publication.txt
observed 634ac33142cbcfdb3c5c2714a2eff57b...
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.