OpenTechnical

OT-2026-000017646

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two 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-2026-000017646) never changes.

Identity and time

Publication numberOT-2026-000017646 · never reused
Internal UUID01a0ae6e-96f9-7599-a705-ad2ace51d92b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017646
StatusPUBLIC

Content hashes

Canonical text109ded6af98ddcf8b823b9fd44985dbfe65de744478f99a6131ef32ad49b3a84
Markdown1267523885e4e3236ebfce69eef573ba13d09d17c50ddf24de6d74a629273640
PDF
Publication pagec450f30aa496c99187b6f7c6e27ec782977f82c4fae4909baee8da656e7a9771
Manifest430cbb45d4edd9229f00ebf4d6bdc28392a68ee90d87956e9903e422ddbf94be

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
Signature4MAem4vlIwoal9VjoxrALWbWC3xqWZlQmqPp31V0UYMe6a8AcZDUfXw6zjF0WH/EetlzHWf30qTJIAeFEbeBDg==
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

2026-09-17T12:01:27.730632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017646
observed c450f30aa496c99187b6f7c6e27ec782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.713699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017646/manifest.json
observed 430cbb45d4edd9229f00ebf4d6bdc283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.696860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017646/publication.md
observed 1267523885e4e3236ebfce69eef573ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.680925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017646/publication.txt
observed 109ded6af98ddcf8b823b9fd44985dbf...
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.