OpenTechnical

OT-2026-000084693

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, sustained 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-2026-000084693) never changes.

Identity and time

Publication numberOT-2026-000084693 · never reused
Internal UUID01a0ae98-e25d-7d6f-b73d-98d3e09a626c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084693
StatusPUBLIC

Content hashes

Canonical text6a6c6b441bd5c124b4df4700cdc1ecd13e0468676e2715406770e532207adbe2
Markdownf12617a3ea9f05061dce826f47d34d22a7c20f074fb6976f8251cdb647caab35
PDF
Publication pageeebb5ee0f13e6ed813e55c19d1c21f68c758543ee084ceabafd4ecdcb926599d
Manifestfc09379ed0fcc6041ac9193c7f10f4a0bd8f2d8131767ab43a6be03f7f7ec5e8

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
SignatureOJsKIxaQ1SBd82veHSd5sGznHbPdGb8Uas/oSmptG4gUsFF+MD28DtwvVdzyA9yOuyqSoHM+UOQPkEC48IF3DQ==
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

2026-09-17T09:55:37.545731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084693
observed eebb5ee0f13e6ed813e55c19d1c21f68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:37.526785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084693/manifest.json
observed fc09379ed0fcc6041ac9193c7f10f4a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:37.510614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084693/publication.md
observed f12617a3ea9f05061dce826f47d34d22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:37.493613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084693/publication.txt
observed 6a6c6b441bd5c124b4df4700cdc1ecd1...
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.