OpenTechnical

OT-2026-000067943

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000067943) never changes.

Identity and time

Publication numberOT-2026-000067943 · never reused
Internal UUID01a0ae8f-c4fd-7b4c-bf97-2082ba99258f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067943
StatusPUBLIC

Content hashes

Canonical text58896cde8b6cd4f09ada660fd24e5ebc669e99bf239b9dd5ce0969ede7d9de5f
Markdownffcd060ff6423a005ffd21d5dabc26611f88825fc0b859de5d6aa5bea638dd0c
PDF
Publication page58d56d7493648d10130b5ca4a92bb1636dba42a3664f9d5c049f1f2f0b636d2b
Manifest15cde0c521f7e8174a5df1d9aaa428d000e70475537cdc5eadd5a34dd4054ceb

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
Signatureb0ivoZMj5auwrt62jOjKatcD/11srXvsquoyie65eN2Ci6RcM655pJB+C++RQmdnksIE0bk3ay7Lex0S1LLUBw==
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

2026-09-17T10:30:21.681332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067943
observed 58d56d7493648d10130b5ca4a92bb163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.662484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067943/manifest.json
observed 15cde0c521f7e8174a5df1d9aaa428d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.637797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067943/publication.md
observed ffcd060ff6423a005ffd21d5dabc2661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.615558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067943/publication.txt
observed 58896cde8b6cd4f09ada660fd24e5ebc...
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.