OpenTechnical

OT-2026-000085020

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump 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-2026-000085020) never changes.

Identity and time

Publication numberOT-2026-000085020 · never reused
Internal UUID01a0ae99-43b7-7723-8fbc-f298af82a45c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085020
StatusPUBLIC

Content hashes

Canonical text0757c6443ed84c77712a394d9f19391542436760a46bc5e284df59b809df04d7
Markdown347f230cd2fa58d53f15a064cb9d83cfe3cec81e4c970eb06ab9096d0c2e2f4e
PDF
Publication pageb4b6a898df700a3cc68116769b3ea84c6fcf0da47735c89c684859a816299076
Manifeste146f93596c2bd330f7c76f1302475385d7bc4b07008f574c35b2afcfb5f52c1

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
SignatureEc5Z/NnASuWrkUxOwl4ZCa7oq8FB6iMY90TUCLkMrZgyLuWAvYDU+vNZS8I9nbggKgLFYLGE7gfm5nS6oqDABQ==
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

2026-09-17T09:55:01.808343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085020
observed b4b6a898df700a3cc68116769b3ea84c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.790495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085020/manifest.json
observed e146f93596c2bd330f7c76f130247538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.773482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085020/publication.md
observed 347f230cd2fa58d53f15a064cb9d83cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.756824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085020/publication.txt
observed 0757c6443ed84c77712a394d9f193915...
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.