OpenTechnical

OT-2026-000062386

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented after 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-2026-000062386) never changes.

Identity and time

Publication numberOT-2026-000062386 · never reused
Internal UUID01a0ae8c-0abf-7437-b8d9-7b8d545fea25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062386
StatusPUBLIC

Content hashes

Canonical text2b9e5df9db163bd638f142e0af3fce67a02f0c0edf5fdbfe5692bf7498fbbf7b
Markdownd718777ffa2a6ad997f6d735d521819a6d6dd84772bedd5a5412d9fada19bdf7
PDF
Publication page31eb84bb9c9c8282666c6021973b75350de0abaf9a7f260cba4aa6c75847cc85
Manifest8d780a6e44c5b470db624f8d4c31e7150ea9b1b540a9a00f803038dce3fa7af3

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
SignatureaHpz7SRhAo8zH9jdALwtCJWHEPALqlB5Ajc8kuYeRZpGkbPzoPN4SbzI1YAk7yQBz9Jc2uoRvRQLxkFnCeH5Ag==
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

2026-09-17T10:39:42.508915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062386
observed 31eb84bb9c9c8282666c6021973b7535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:42.491410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062386/manifest.json
observed 8d780a6e44c5b470db624f8d4c31e715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:42.458243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062386/publication.md
observed d718777ffa2a6ad997f6d735d521819a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:42.418946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062386/publication.txt
observed 2b9e5df9db163bd638f142e0af3fce67...
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.