OpenTechnical

OT-2026-000011104

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, vented after 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-2026-000011104) never changes.

Identity and time

Publication numberOT-2026-000011104 · never reused
Internal UUID01a0ae6c-540f-7783-8d57-57cca344c495 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011104
StatusPUBLIC

Content hashes

Canonical text6695ad367ebf580f9ee7393438a29054f53e6f3a8cbd13c49184540609c999e0
Markdowne2b5dd1b7593a7aa35d64178945c8d01446ac5616010a440d9149204ece68345
PDF
Publication pagece50d79987fac51fb766768aed80ff25339bb7a32b7a2dd3dc59dd73820baa9c
Manifest0f9f0087b25e5542c8c4a0a123efe35f16dc0a49121d6d253db573d383b45423

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
SignatureNXI3u8KZTubdlSSOYQ2Xnqw6+b5g1rFjmuZGzBvG3J6T+lP1/Y7D0guwJKnhN1bOBRkt6iNHrReU7+a/9XkLCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:57.072845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011104
observed ce50d79987fac51fb766768aed80ff25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:57.053970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011104/manifest.json
observed 0f9f0087b25e5542c8c4a0a123efe35f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:57.033884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011104/publication.md
observed e2b5dd1b7593a7aa35d64178945c8d01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:57.011019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011104/publication.txt
observed 6695ad367ebf580f9ee7393438a29054...
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.