OpenTechnical

OT-2026-000084458

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000084458) never changes.

Identity and time

Publication numberOT-2026-000084458 · never reused
Internal UUID01a0ae98-5b63-7754-8858-83628f305900 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084458
StatusPUBLIC

Content hashes

Canonical texte7268ab1fa9b2b259d12f347da89115c2f2fba708aa59211c4e0699462b49d1f
Markdown0ef647f1cd20215b75542a631840ca599d103b4d41c8606c2c4cf3b013ab9e0e
PDF
Publication page43507c1b7db4df55be6776a7b677fa67a6610a48d19d238a189cb47bf2d8b25a
Manifestb8df6775eae0e35514d8010bc37fb26d5543195846586e3d3e841e6d63233ae0

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
Signature5MDCcV0mhFOWynSI9fBmQK79qHw6upQodtMrt2EcJ7eLFUjF/terR3SczBW5QqFZJTiC6TzIZ2kYAn0Ui2mvAA==
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

2026-09-17T09:56:25.194527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084458
observed 43507c1b7db4df55be6776a7b677fa67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:25.177403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084458/manifest.json
observed b8df6775eae0e35514d8010bc37fb26d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:25.158860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084458/publication.md
observed 0ef647f1cd20215b75542a631840ca59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:25.139948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084458/publication.txt
observed e7268ab1fa9b2b259d12f347da89115c...
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.