OpenTechnical

OT-2026-000009061

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000009061) never changes.

Identity and time

Publication numberOT-2026-000009061 · never reused
Internal UUID01a0ae6b-31b8-7ffc-a7e9-351ab1be6b10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009061
StatusPUBLIC

Content hashes

Canonical text16d707763d341c2d846ca777786f7bb0225d73953d9f492a6a250f76aef3cdd6
Markdown3dca88593e6f3f909e03072e81160f9a678d776968712d6011a53c51a8af74ae
PDF
Publication page39ea7495d002f375a27bef00619e4025ff1df04760f855b9193b8d81fc740ff1
Manifest269014d200961116201cdc45d6f1711b0c320cf0859461ff6d1861750ae25b27

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
SignatureIZYtCMHahcP4Ue32g3Vw9sCQSGbsFgVSNK8kz/AAQJL0Lk7GHcRxtWsMYs/B1t9aN/Rq9c0gBSXGbQzZdtDtDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:43.202753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009061
observed 39ea7495d002f375a27bef00619e4025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:43.177565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009061/manifest.json
observed 269014d200961116201cdc45d6f1711b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:43.157889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009061/publication.md
observed 3dca88593e6f3f909e03072e81160f9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:43.136256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009061/publication.txt
observed 16d707763d341c2d846ca777786f7bb0...
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.