OpenTechnical

OT-2026-000100215

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100215) never changes.

Identity and time

Publication numberOT-2026-000100215 · never reused
Internal UUID01a0aea3-3053-7d88-9ed9-54972e3f664b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100215
StatusPUBLIC

Content hashes

Canonical textb95089c4fe7f6bba414d47feb55e3529c13ee02c831f86744c99cb1630052691
Markdownf6b76a48bdad371d6bc21c8acd739caec01b28de5abe930482f4400975cfb921
PDF
Publication pageebd0377e8769170fe71e331f15caafe52f8695ff1330b5f4f4ebfd8a9acf93d3
Manifest873cd2047814855aaf7a3fcacb201a498348e37c6371b8afc1c66c950c7e06db

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
SignatureRfAn0pfTtqaVoc8eiPqLUqnsjLp8EOFBFTbNl2wwTtN7bUm/6dSg8sC2OPo5CXQWp4Bg4R7qUQHeORFxmfOyBw==
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

2026-09-17T09:27:56.463879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100215
observed ebd0377e8769170fe71e331f15caafe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:56.445668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100215/manifest.json
observed 873cd2047814855aaf7a3fcacb201a49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:56.427229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100215/publication.md
observed f6b76a48bdad371d6bc21c8acd739cae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:56.411368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100215/publication.txt
observed b95089c4fe7f6bba414d47feb55e3529...
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.