OpenTechnical

OT-2026-000016543

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump 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-2026-000016543) never changes.

Identity and time

Publication numberOT-2026-000016543 · never reused
Internal UUID01a0ae6e-2d13-7696-a2d4-36fec85ce403 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016543
StatusPUBLIC

Content hashes

Canonical text8b7ec5baa36f62f6aaeb9158d6df7c5e794c396903b94a9e8b78b6e755058fae
Markdown6a0ccfdad2d4dd58e1445432c3f2a37d3c6e8e6eae7e91fbf7168f78e669060f
PDF
Publication pageb5e22820876515cebb2af65a9701757fc2409a6e1c23c55defffdd588b67c72d
Manifest16f94c7e2ca1fe0190f8e76fc67107d7d5e9ef79ecf97913178acb7baf3c8dc7

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
SignatureBDLCUUkb9AQg7wBKD60ipbq2GL8lAGlJtZrWvx78Cd8Fmv8B67dZL/5gavQ068AG7WoQ87Jhv+gXEpfLb00gDw==
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

2026-09-17T12:04:45.981271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016543
observed b5e22820876515cebb2af65a9701757f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:45.962992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016543/manifest.json
observed 16f94c7e2ca1fe0190f8e76fc67107d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:45.946557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016543/publication.md
observed 6a0ccfdad2d4dd58e1445432c3f2a37d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:45.925585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016543/publication.txt
observed 8b7ec5baa36f62f6aaeb9158d6df7c5e...
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.