OpenTechnical

OT-2026-000101148

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000101148) never changes.

Identity and time

Publication numberOT-2026-000101148 · never reused
Internal UUID01a0aea3-c378-7675-a17c-11444c46fdc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101148
StatusPUBLIC

Content hashes

Canonical text9fe994bbe22abaa25c76a4dc7a42af2a74e5626fcdabf409e88aa733d4c8714e
Markdown01691d6b74ef3c4ff7b1a8d4fa3f20b1f81f4883bf1bceb086eac532acbb5ea8
PDF
Publication pagef15916a95c122b77d54e061175aecce1500d21d7596c2c0a1980a4f33acfbcf2
Manifest2d158e4e042c6093083235063157b1d0111904bad464e1c916fb4fa9023ae491

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
SignaturevXPv5TaXIev+SQbCovGwYmhKSUuFTsFm5rHpm3CbHAmGkz/MPNEU6ssZgONitg0jedwVzpMgEvAIguEjYeH1DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:46.987749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101148
observed f15916a95c122b77d54e061175aecce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:46.969230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101148/manifest.json
observed 2d158e4e042c6093083235063157b1d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:46.951540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101148/publication.md
observed 01691d6b74ef3c4ff7b1a8d4fa3f20b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:46.915369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101148/publication.txt
observed 9fe994bbe22abaa25c76a4dc7a42af2a...
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.