OpenTechnical

OT-2026-000086130

Publication integrity record

Four cup vacuum gripper, four 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-2026-000086130) never changes.

Identity and time

Publication numberOT-2026-000086130 · never reused
Internal UUID01a0ae99-e82b-70c2-9a4a-1fc9ea705500 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086130
StatusPUBLIC

Content hashes

Canonical text804e7bfa29c9f189c1eb8f3e0ad160ea7fbb468d024d0281430116eee561f7b1
Markdown07fb92c97aaa1159398ed459f82ae4dd74967d8111659f5b9cd32f705e5fbeae
PDF
Publication pagecdf7da9992658caec76808ef004c7469135c91f95ffc998da5336b0a6c5890b0
Manifest2b7dc805a5852a9a084afc9690e7429fab2d4552ad2267c4fccaf826bbddafff

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
SignatureSwzgGyMtp01yhu5DYiN/Iswn5nddmAHKSluIVFrcYIaaRXLIfBUXyk4G4J0TJLBLu5ozczDLvbrSGlbuxUO/BA==
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

2026-09-17T09:53:47.378264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086130
observed cdf7da9992658caec76808ef004c7469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:47.361816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086130/manifest.json
observed 2b7dc805a5852a9a084afc9690e7429f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:47.343937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086130/publication.md
observed 07fb92c97aaa1159398ed459f82ae4dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:47.326530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086130/publication.txt
observed 804e7bfa29c9f189c1eb8f3e0ad160ea...
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.