OpenTechnical

OT-2026-000020964

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000020964) never changes.

Identity and time

Publication numberOT-2026-000020964 · never reused
Internal UUID01a0ae6f-65e4-72ac-a165-5970097022a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020964
StatusPUBLIC

Content hashes

Canonical text6504c09fd27993decbddffd1d0c6d000a8a0af1309e00698b857d0d6b695179d
Markdownf0cc2abe5655bebf05f16698e354acb5281598302c6537ba409158a8e83731a7
PDF
Publication pageb7a806ca858e434a8ea4d4a27996e8399d7fa9aa4a7082f362bd1827448814b8
Manifestdb135fb5e0b27b21440821206607e55d0beca9baa3974b8aa87f0e5d1da71107

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
SignatureVhkPjJfTDNKzcH604CgeWKKExFl+eNNA3D4gcTrYU3znTq03DiKKVMS0S7eebUPKr1uQb3zx9G+cSVz/IyyiAg==
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

2026-09-17T11:56:06.408824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020964
observed b7a806ca858e434a8ea4d4a27996e839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:06.392380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020964/manifest.json
observed db135fb5e0b27b21440821206607e55d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:06.373228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020964/publication.md
observed f0cc2abe5655bebf05f16698e354acb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:06.353979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020964/publication.txt
observed 6504c09fd27993decbddffd1d0c6d000...
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.