OpenTechnical

OT-2026-000053199

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, 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-2026-000053199) never changes.

Identity and time

Publication numberOT-2026-000053199 · never reused
Internal UUID01a0ae85-0a14-70cb-afdd-023507eaa7d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053199
StatusPUBLIC

Content hashes

Canonical text6b74f71626f18b158cc9a72b5bae7a0d78e0690a9490346cb857e7a598722200
Markdownceaff3bcacd993abe3f4dada422a1adcb5b4e9dae1773d9e4c080dd0bb22e7b1
PDF
Publication page724e8c0bc3fedcb1bb6890d9f348d12608ada69a79a62b271694937989fa6e3e
Manifest96d585eac89e391f527822feea63b339ec5f6b1891e4ddbe2581ebb732ed1b9c

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
SignaturetHtwa3MXrsi1CvyxG8dVfQ2j3lXlkXNZxK1YCMmGwCo7AFKKEHnVpUk6tOSIt8wmsJCUlv4we0O53rfyrscQAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:47.796101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053199
observed 724e8c0bc3fedcb1bb6890d9f348d126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:47.777021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053199/manifest.json
observed 96d585eac89e391f527822feea63b339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:47.759138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053199/publication.md
observed ceaff3bcacd993abe3f4dada422a1adc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:47.740949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053199/publication.txt
observed 6b74f71626f18b158cc9a72b5bae7a0d...
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.