OpenTechnical

OT-2026-000026486

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000026486) never changes.

Identity and time

Publication numberOT-2026-000026486 · never reused
Internal UUID01a0ae71-f4a8-7f2b-abaa-2682a2b2a8eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026486
StatusPUBLIC

Content hashes

Canonical texte10b365c0cdc84520c8155ab1fb812bd60bcdedd6dbdcbdfd103ad8922d4c198
Markdown48614aaf8d4f38d262519d4e0380a0933b77bbc3c989f16db6b36472845b2c07
PDF
Publication page540fe3dcf8c247f334e1d30bfefa58b05d9100db4c2f6f32fe96f6becf799798
Manifest52b3b50fb7f8ea8aaffd8d1a70c16d9083e93740c802faa0350f082e37e207c3

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
SignatureikRGHw8H7KFuPkXVTFhf7eUOYKO/SD68UYZUPfJwRFNF8vnO+JtxVt+rSkzCd9GEa/nyK43fcbpDn9z/JXX3Dg==
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

2026-09-17T11:44:36.557285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026486
observed 540fe3dcf8c247f334e1d30bfefa58b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:36.530621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026486/manifest.json
observed 52b3b50fb7f8ea8aaffd8d1a70c16d90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:36.510420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026486/publication.md
observed 48614aaf8d4f38d262519d4e0380a093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:36.493161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026486/publication.txt
observed e10b365c0cdc84520c8155ab1fb812bd...
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.