OpenTechnical

OT-2026-000029318

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000029318) never changes.

Identity and time

Publication numberOT-2026-000029318 · never reused
Internal UUID01a0ae73-2aa1-7819-95db-e50cadb81d8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029318
StatusPUBLIC

Content hashes

Canonical text8ca08bf7c11fea61aefce53a213daa233f59fa59d997afbb55d4ac0c78b2a92e
Markdown3c9d361321d84d6b904a39dddd956b3830db32600ea544b92fac20ffd0f2e714
PDF
Publication page6db5473e07f5e2ef2ecf1b54b061633000870e45b9c728698452a165ca95accd
Manifestc050dc8e583e0ea0c6fdba50cd28818644e5facbae18fc04953323dd38aee9f8

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
Signature1o/xz65o0tjA+KNyPEOppD2r0Fm+E/tB+BLdxUPFcj9zokFbYYzmeG5CSbhxQQ2fLWiFoT9chUzTMc33rchsBA==
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

2026-09-17T11:39:57.689650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029318
observed 6db5473e07f5e2ef2ecf1b54b0616330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:57.670383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029318/manifest.json
observed c050dc8e583e0ea0c6fdba50cd288186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:57.651511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029318/publication.md
observed 3c9d361321d84d6b904a39dddd956b38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:57.632297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029318/publication.txt
observed 8ca08bf7c11fea61aefce53a213daa23...
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.