OpenTechnical

OT-2026-000075481

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000075481) never changes.

Identity and time

Publication numberOT-2026-000075481 · never reused
Internal UUID01a0ae93-f201-76d7-8d40-2983c4fa16eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075481
StatusPUBLIC

Content hashes

Canonical textdd16252d23d409b244d1e4ce3058c70f7c978a3ccdcbc9a768c80888a8c66421
Markdown120baa87d14e6aaba5fd502886d98c29976c1b314dcd5d0a93a336cbbd639437
PDF
Publication page4db78882e3e76a7fe920ad35fc957f16c894effe5c5096a261c7435063d9d424
Manifest38b7a18edff2a0d11338d96fe0c14898f1ce8764b347368e9172e09b0d05f08d

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
SignatureSnfOBez2gRuum3Yqyu1Wr/h55L0DcAhKe3ebQTEajbR04GHwzXJmwB15B+AOvUzYGyOx3XbSzbUeRL3mbXO/Cg==
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

2026-09-17T10:17:48.060870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075481
observed 4db78882e3e76a7fe920ad35fc957f16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:48.040771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075481/manifest.json
observed 38b7a18edff2a0d11338d96fe0c14898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:48.021975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075481/publication.md
observed 120baa87d14e6aaba5fd502886d98c29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:48.002826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075481/publication.txt
observed dd16252d23d409b244d1e4ce3058c70f...
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.