OpenTechnical

OT-2026-000083779

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three 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-2026-000083779) never changes.

Identity and time

Publication numberOT-2026-000083779 · never reused
Internal UUID01a0ae98-0417-7161-9cd5-4230c65e2d86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083779
StatusPUBLIC

Content hashes

Canonical textdb8ada7857dc8f9083f228a70b2eca1b4a9f4fab10976fd9b81536cc5835e475
Markdown8ce6655210f9c80753a64008fc33e65707bebf8667aab4a60a424be05b3339a0
PDF
Publication page9fee648f6ce77ba6950813b33e752fe894962c55972f10d8a0cdcc7b8a52fa9d
Manifest99ef7c33b06d9b56a0066c0ef517f89e08058adebb95e2d03c8804f6e24fba04

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
Signature9QSAfRO19emZTWU6t4QCVg4cpI1TRm923stobnnAJF8L5I7HZB6Kxw+ScOTE/xDnzNUxz21co3swKXy72KElDA==
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

2026-09-17T09:57:25.368498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083779
observed 9fee648f6ce77ba6950813b33e752fe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:25.351372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083779/manifest.json
observed 99ef7c33b06d9b56a0066c0ef517f89e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:25.334532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083779/publication.md
observed 8ce6655210f9c80753a64008fc33e657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:25.317783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083779/publication.txt
observed db8ada7857dc8f9083f228a70b2eca1b...
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.