OpenTechnical

OT-2026-000084537

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000084537) never changes.

Identity and time

Publication numberOT-2026-000084537 · never reused
Internal UUID01a0ae98-e25a-75b1-a423-86ae399b45ec · 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-2026-000084537
StatusPUBLIC

Content hashes

Canonical text67a13f075e1a8f09c9f2094c940c20e1de3af46b0e6674802c1d09f5a75feb11
Markdowna66b874e6c8331b932f15ee5091d77955b93f3e23d5a8d31f84e980c0fe7bd6b
PDF
Publication pageb0bfc5b05c4b22707c2b1bc4fc2e3a0952eadd58a34b31e81de01c75d89b3cfc
Manifest53cbd0d424e931fae87a75b7338e840d7f2e322ab7ab9b79e047fa6961a8d341

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
Signaturevegii4ylQgDj1MBAcIgA+NeSTNOAG90+fugm01KQUc9vFBpU9blMQp+XHJbYz0xzSv9u4fZFAeph45MN24rUAQ==
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

2026-09-17T09:55:25.359186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084537
observed b0bfc5b05c4b22707c2b1bc4fc2e3a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:25.342080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084537/manifest.json
observed 53cbd0d424e931fae87a75b7338e840d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:25.322076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084537/publication.md
observed a66b874e6c8331b932f15ee5091d7795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:25.303709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084537/publication.txt
observed 67a13f075e1a8f09c9f2094c940c20e1...
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.