OpenTechnical

OT-2026-000020560

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000020560) never changes.

Identity and time

Publication numberOT-2026-000020560 · never reused
Internal UUID01a0ae6f-437c-7012-938e-daa5a8417215 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020560
StatusPUBLIC

Content hashes

Canonical text5f5c254d3e645fbf8ed095fe06fc43eb0cd05320b8243bbb7475ee7e5cf47fde
Markdowna888e74e076ebb58aea89fecbc276a7ed35069b20677e5ad64f4d422dd2198e8
PDF
Publication page35e424c74d01de2735f0b73947e96d84b7d34b97d66bc5716d2129585a27384a
Manifestf0b3a1fea2099de14ce70da722c6bc45c6dd02f2687b954111d04ee0cc1d9144

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
SignatureSMC04rwkw6HnEYaGnBgIBWNQjdRF7Oiy0dXTUbJOCfReml2NW4iIZQPUvfOvhIdxlwt5f9kN81yhML2aYjFqBw==
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

2026-09-27T12:41:38.757199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020560
observed 35e424c74d01de2735f0b73947e96d84...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T12:41:38.597074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020560/manifest.json
observed f0b3a1fea2099de14ce70da722c6bc45...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T12:41:38.471137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020560/publication.md
observed a888e74e076ebb58aea89fecbc276a7e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T12:41:38.297258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020560/publication.txt
observed 5f5c254d3e645fbf8ed095fe06fc43eb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:00:40.466720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020560
observed 35e424c74d01de2735f0b73947e96d84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:32.995689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020560/manifest.json
observed f0b3a1fea2099de14ce70da722c6bc45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:32.977217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020560/publication.md
observed a888e74e076ebb58aea89fecbc276a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:32.960056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020560/publication.txt
observed 5f5c254d3e645fbf8ed095fe06fc43eb...
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