OpenTechnical

OT-2026-000017737

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000017737) never changes.

Identity and time

Publication numberOT-2026-000017737 · never reused
Internal UUID01a0ae6e-96fa-7b87-8ece-c42164ffd6b8 · 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-2026-000017737
StatusPUBLIC

Content hashes

Canonical textc856a30a0f03e8531115ad0f99870025e65fe0dbc7d4274e9a75627f6aaa488f
Markdownc734dbfbbee1251878b062cc73bf55bffb1fa76e8a9646343c46e938a0874f73
PDF
Publication page00cbe59f02f4fb7a44b1c93e02ea9629602f0406dfd7eca465dc9e14f21d3749
Manifest9a2c6358f51783c65d8464317c276a3aa001dcdc5c3f16dae31257ad965177da

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
SignatureVv4b10mXhTvLmkdoe2gQVCk0MbI1FEd2i+x0ypNRd6lu1819OqYs+2UryuAzQpmzYmzaibrkZFpVvk1YRa/WDg==
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

2026-09-18T04:23:18.984163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017737
observed 00cbe59f02f4fb7a44b1c93e02ea9629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-18T04:23:18.966141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017737/manifest.json
observed 9a2c6358f51783c65d8464317c276a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-18T04:23:18.949596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017737/publication.md
observed c734dbfbbee1251878b062cc73bf55bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-18T04:23:18.916834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017737/publication.txt
observed c856a30a0f03e8531115ad0f99870025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.359346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017737
observed 00cbe59f02f4fb7a44b1c93e02ea9629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.344763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017737/manifest.json
observed 9a2c6358f51783c65d8464317c276a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.327520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017737/publication.md
observed c734dbfbbee1251878b062cc73bf55bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.310893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017737/publication.txt
observed c856a30a0f03e8531115ad0f99870025...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent