OpenTechnical

OT-2026-000036479

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000036479) never changes.

Identity and time

Publication numberOT-2026-000036479 · never reused
Internal UUID01a0ae77-46e6-7d68-8054-c3fcba5df6f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036479
StatusPUBLIC

Content hashes

Canonical texta04d33c51011dc05278b9f0295f78038518f190a2887633e891fd66dc3904181
Markdowne8ea3135e783171af4739691157faa0b626a99d15fd736ee7c13eee680180548
PDF
Publication page4f40bcc26c30b3e26d2a1f72ab7954c397cb6840c8ffbd3813e4b60241e51133
Manifestf356465aaf4543d1e58cc63ada641e3f42e578dbcb687fa95bd2e163de7a2099

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
SignatureFE8N1UriiukKbP9nK23f8eZ5mpITZzpb+PduVei8ME80RlnHk+ARXScGX8gRbeT/wRHxs9wPbeKutUEg8YXtAA==
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

2026-09-17T11:25:09.941199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036479
observed 4f40bcc26c30b3e26d2a1f72ab7954c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:09.922658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036479/manifest.json
observed f356465aaf4543d1e58cc63ada641e3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:09.905741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036479/publication.md
observed e8ea3135e783171af4739691157faa0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:09.887477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036479/publication.txt
observed a04d33c51011dc05278b9f0295f78038...
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.