OpenTechnical

OT-2026-000101503

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000101503) never changes.

Identity and time

Publication numberOT-2026-000101503 · never reused
Internal UUID01a0aea4-0e14-74d9-86e8-a9a11db53326 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101503
StatusPUBLIC

Content hashes

Canonical textbcb848640eea4f6484080448841164f341ff6dc7d2b71a7f07db872991d7e772
Markdownf1eb3233e57e308d7eb638bceccfc2b0162c753f14ab75fe5c483af501fa1ee4
PDF
Publication pagebb5d33379844b9342a0ae18adffa8b81f46ca7efdd34c8199c1dfbeb87aa0ecc
Manifestbdeb475f6fffdd7cb140d4ba356d95a5dc9c72e5ec2ec42414bd630c49708b89

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
SignaturevcCu1lPvAmiT+qxb7bUdiHYxJr0mKiQjngCVh38eXImM4LPz+uM8zeJw89eZ2PdaJ4AdzlY4Iu6otiIbxQPMBw==
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

2026-09-17T09:26:06.057237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101503
observed bb5d33379844b9342a0ae18adffa8b81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:06.038947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101503/manifest.json
observed bdeb475f6fffdd7cb140d4ba356d95a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:06.019548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101503/publication.md
observed f1eb3233e57e308d7eb638bceccfc2b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:06.000678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101503/publication.txt
observed bcb848640eea4f6484080448841164f3...
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.