OpenTechnical

OT-2026-000075493

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold 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-2026-000075493) never changes.

Identity and time

Publication numberOT-2026-000075493 · never reused
Internal UUID01a0ae93-f202-7175-b79b-3062d8c42dc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075493
StatusPUBLIC

Content hashes

Canonical textc67fada0038e0e22f2c97cae19c04dcdbf7b843cfbe5b96b52a8041ecc1cb5c7
Markdowne5b4894557d7c2e34522d637c9c0a1c372598ca1d024c8529b85d600911441d2
PDF
Publication pageab03d7b54d4302539995511c113c10ccdf664e2803e20eddfda32d536e71b0c3
Manifest1c248a5d81e59d80b5872e02270652addea9e0354be19f6ccb1c37e00a3e7c21

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
Signaturew0jUsPSFkRWbED3aYcKMIj1d9ipnZe+WCnVtgiWrYACapw8ernU5BRs0jwWIddICVeQb0q8BdwcVMDgHaMfcDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:52.962536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075493
observed ab03d7b54d4302539995511c113c10cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:52.815688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075493/manifest.json
observed 1c248a5d81e59d80b5872e02270652ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:52.551431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075493/publication.md
observed e5b4894557d7c2e34522d637c9c0a1c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:52.532456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075493/publication.txt
observed c67fada0038e0e22f2c97cae19c04dcd...
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.