OpenTechnical

OT-2026-000101275

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum 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-2026-000101275) never changes.

Identity and time

Publication numberOT-2026-000101275 · never reused
Internal UUID01a0aea3-c379-7d19-8abc-08bab52d8b8f · 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-2026-000101275
StatusPUBLIC

Content hashes

Canonical textc19ddc96d4f64f0faba0e9a7b5c69a11f5e903a5d2e589afe6acbcba045238a7
Markdownbc6514e02b9aade7bc0376bfc5421e709e050a90267e8c1abb2c58935b863897
PDF
Publication page73bdb632560e356626e6efbcbf7a01628fd1d7aa97d0da9b00cab096bd4f3445
Manifest6243ed630ca19217b6d2bf8992faea6f17090ad26861bf4a48edc32e95710e45

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
SignaturezVXn3Z2+uc3U1WIfKdLQr06SNUhqX3t/97f/lsZJsQ0u/gROK2HjXNwr1eHZRs5sNz49ud2/m2bXmbFozO13CQ==
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

2026-09-17T09:26:56.597957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101275
observed 73bdb632560e356626e6efbcbf7a0162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:56.579965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101275/manifest.json
observed 6243ed630ca19217b6d2bf8992faea6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:56.562440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101275/publication.md
observed bc6514e02b9aade7bc0376bfc5421e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:56.544581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101275/publication.txt
observed c19ddc96d4f64f0faba0e9a7b5c69a11...
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.