OpenTechnical

OT-2026-000015305

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000015305) never changes.

Identity and time

Publication numberOT-2026-000015305 · never reused
Internal UUID01a0ae6d-ef48-719e-a680-65b6b6481801 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015305
StatusPUBLIC

Content hashes

Canonical textac909c78cb2e6348c3d8e53575b4fb4453fa0ad8cfe8c6da9e5c4b527d5cb89b
Markdown13d6e57e7cf29b5d42a27f6c0272df5a8058fc7cc1ed299fba40420c25966462
PDF
Publication pagedac7f4d1e7bc68631e39b040b9ede0d33639f461b795a1f99396a850fe00d255
Manifestf18417d5cee36d72b7dd997927ea4db5e2c7017276fbfcf359a6e3b86e0bf512

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
SignatureX83xClYJau0B3WpIdrB6OYSNexFaF+FAHGuF7vAwHf7EvPFNwD73JEq+8Y2f1P/C3S5A6xgycU29VQMJmVwSCw==
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

2026-09-17T12:05:59.760150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015305
observed dac7f4d1e7bc68631e39b040b9ede0d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.740779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015305/manifest.json
observed f18417d5cee36d72b7dd997927ea4db5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.721000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015305/publication.md
observed 13d6e57e7cf29b5d42a27f6c0272df5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.702830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015305/publication.txt
observed ac909c78cb2e6348c3d8e53575b4fb44...
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.