OpenTechnical

OT-2026-000020558

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000020558) never changes.

Identity and time

Publication numberOT-2026-000020558 · never reused
Internal UUID01a0ae6f-437c-7036-80dd-136631749191 · 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-2026-000020558
StatusPUBLIC

Content hashes

Canonical text1d4b2fc8629658ee4813118bb567b447b3ef65a175629a4b850374347710212f
Markdown3c2b6d4ed846bfbebc69fba5cea5d2c4215ada3e35a243bac6e0257002dbbee9
PDF
Publication page6e5e53fd0be42d6d2a8c1dfebd5e225ecdf6e5aa1748917bae32152bf4da25f1
Manifest58565852124d6c6106448f84f41a177acc40c3400eb5ff7b49a49d504033927f

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
SignatureG2vKcSlOMEYZNO6ENLGej80UsauleweqHA7vQ2W+lUMa0fTNhIRfszet6lbbDsOsn/ND+z1ZX2jAu/YGpni4BQ==
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

2026-09-17T12:00:32.850723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020558
observed 6e5e53fd0be42d6d2a8c1dfebd5e225e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:32.827462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020558/manifest.json
observed 58565852124d6c6106448f84f41a177a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:32.804108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020558/publication.md
observed 3c2b6d4ed846bfbebc69fba5cea5d2c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:32.782520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020558/publication.txt
observed 1d4b2fc8629658ee4813118bb567b447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:35.422762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020558
observed 6e5e53fd0be42d6d2a8c1dfebd5e225e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:35.403877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020558/manifest.json
observed 58565852124d6c6106448f84f41a177a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:35.383687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020558/publication.md
observed 3c2b6d4ed846bfbebc69fba5cea5d2c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:35.363522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020558/publication.txt
observed 1d4b2fc8629658ee4813118bb567b447...
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.