OpenTechnical

OT-2026-000015889

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000015889) never changes.

Identity and time

Publication numberOT-2026-000015889 · never reused
Internal UUID01a0ae6e-0c4c-7a6d-9ab0-68d13adfd28b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015889
StatusPUBLIC

Content hashes

Canonical text27e46e8c36b1fb656376c7512add4807af2aa88ff896f5d06587a45a221dce94
Markdown24b1bf483ab5472c3d1ce98aac2a2c5feeb6cb9c1983e1208ee5463de7c36fed
PDF
Publication page63fb2cce40849aeb10d54a6f1dc6f8b87caa2179b925c3723a2b29bc59a13dfc
Manifestb39102b157d394bd93fc5b6eeb69a1d6260836a6deaad8265893b261db05a0e3

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
SignaturenE8OUkCpuKy2BanKeu44XnGoUB6PhEnfMWgdIuslVu9YO5V5RmCliFa0inePwNOR4SNattrhXLehaqdLLgoKCg==
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

2026-09-17T12:05:20.614011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015889
observed 63fb2cce40849aeb10d54a6f1dc6f8b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:20.592814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015889/manifest.json
observed b39102b157d394bd93fc5b6eeb69a1d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:20.572785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015889/publication.md
observed 24b1bf483ab5472c3d1ce98aac2a2c5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:20.553290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015889/publication.txt
observed 27e46e8c36b1fb656376c7512add4807...
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.