OpenTechnical

OT-2026-000083052

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000083052) never changes.

Identity and time

Publication numberOT-2026-000083052 · never reused
Internal UUID01a0ae97-c961-7a50-8d47-835f562c2471 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083052
StatusPUBLIC

Content hashes

Canonical text736454d156e0d00813b7859a44b38b2d94e4c2ed5d74f1e42084d1a2cd30ea9c
Markdown17233e7d08f82eb6ced09af579de5ea2ee87848157e18f88fbbb327f6960ce9d
PDF
Publication page89e77beb27503ebb118260a870cbfdfe6a3c793203056fcdd92217df88fb991a
Manifest5689dec7bbd4cfab42582d8cb71cff09a3a6bd4e6875e8c15554e9f528c2dd4f

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
SignaturesrEeL+v/O+Khskrf6NAqa8SYz2sBmaEXIDKdaqNt9GmPv+QPM4D22KnVpOafrq34Ig9nF5adLbnbmh4b3MY/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

2026-09-17T09:00:27.107166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083052
observed 89e77beb27503ebb118260a870cbfdfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:27.085250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083052/manifest.json
observed 5689dec7bbd4cfab42582d8cb71cff09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:26.650049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083052/publication.md
observed 17233e7d08f82eb6ced09af579de5ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:26.557313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083052/publication.txt
observed 736454d156e0d00813b7859a44b38b2d...
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.