OpenTechnical

OT-2026-000089439

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089439) never changes.

Identity and time

Publication numberOT-2026-000089439 · never reused
Internal UUID01a0ae9b-db02-7d08-88cf-046bfdd424f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089439
StatusPUBLIC

Content hashes

Canonical textbd15189d31f73d9e48e49b82eeb9fb944bfceaab5c3df6f1fef1163ea4daf329
Markdownb4a1a6deb395d475f69a2c90cfcce221555a7952fab13e4d8a8c9fea2cbbec3e
PDF
Publication page2d1b00ec20da30f5620f209873f427f61ebe3d9e966acdbedd52a697e7744d4e
Manifest6d0241c85607e2e1b302807eaf7bc9c50072a2173354afbeb74c063fef7b071d

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
SignatureRF1nU2AbJDNxLoW35rR3MAAdMwHaWYeDHHEwoyeHMNXQOBwhjeRVm2Kds95jpBTawRy12B7ShVoIa+LceOV2Dg==
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

2026-09-17T09:47:35.156517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089439
observed 2d1b00ec20da30f5620f209873f427f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.136984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089439/manifest.json
observed 6d0241c85607e2e1b302807eaf7bc9c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.111203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089439/publication.md
observed b4a1a6deb395d475f69a2c90cfcce221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.084521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089439/publication.txt
observed bd15189d31f73d9e48e49b82eeb9fb94...
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.