OpenTechnical

OT-2026-000015877

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000015877) never changes.

Identity and time

Publication numberOT-2026-000015877 · never reused
Internal UUID01a0ae6e-0c4c-7294-9569-af3e91f69c13 · 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-2026-000015877
StatusPUBLIC

Content hashes

Canonical text6c9336ad8f9c820cf44b1e48ed1ea1c653dd47e1a83f67d86b1caae0a58707f9
Markdownb74d4be95825891a411626db05c7265356900c3663ef94f099cb8ad5793c6e0f
PDF
Publication page49f090e08f95e98baa20b549308c4585c272cb545ccbcf33ebe84b74044785d8
Manifest9e8329e432392069a8a3f3b78da0f74ebb26f6b7af90d090e1ca44fbd361e41b

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
Signature4e48YfW4Zy6iRnb6EztjGxtYTBBCW/+IcoyyGdr543AaGha7stgyu7E27hBX/g30HOcjw+y7R71BCdmqFudxAg==
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

2026-09-17T12:05:19.578165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015877
observed 49f090e08f95e98baa20b549308c4585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:19.559397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015877/manifest.json
observed 9e8329e432392069a8a3f3b78da0f74e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:19.539368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015877/publication.md
observed b74d4be95825891a411626db05c72653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:19.519258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015877/publication.txt
observed 6c9336ad8f9c820cf44b1e48ed1ea1c6...
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.