OpenTechnical

OT-2026-000100670

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000100670) never changes.

Identity and time

Publication numberOT-2026-000100670 · never reused
Internal UUID01a0aea3-66f3-7b19-b695-6339000c90e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100670
StatusPUBLIC

Content hashes

Canonical textc4e468b59bb9d7d84f05558ffd8c4b757f1d7e74fe0f3756ed85170d45be444c
Markdowne0d2c21eb08b0fef32b59f69102f3e3ce4f7be53cc2b93cc7a29185920074288
PDF
Publication page90ac9fb742e02f1083f79eb6386af65117089cab447caf143fee8b5f0bd7f9a2
Manifest5f97d96cc52d69e6bf0966ff5fff91de42ef69cc748d5110be5fbef0ac1130c3

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
SignatureMYHLWLjkNs66s38xdqqt0gUbqq3CBPbC2i4cfCbtJqOKGA/h2c6Qh9VvJXUXPxSfOm44REC2JI4k/1boPftKDg==
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

2026-09-17T09:27:28.901984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100670
observed 90ac9fb742e02f1083f79eb6386af651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.883616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100670/manifest.json
observed 5f97d96cc52d69e6bf0966ff5fff91de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.860037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100670/publication.md
observed e0d2c21eb08b0fef32b59f69102f3e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.841309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100670/publication.txt
observed c4e468b59bb9d7d84f05558ffd8c4b75...
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.