OpenTechnical

OT-2026-000015493

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000015493) never changes.

Identity and time

Publication numberOT-2026-000015493 · never reused
Internal UUID01a0ae6d-ef4a-78ca-9a12-8ad2dee908b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015493
StatusPUBLIC

Content hashes

Canonical text2096ffd9f59183e3df30cb114cbfcafe65a434d99ca0934d362cafd1f4278d49
Markdownf1b10d6c9f1aa9d577bf3032c9f47a92241def0e96b7d735dcff2b3dc269616c
PDF
Publication page143b7f11728eebec53e3f5b94ccbfbe81a2a3e9f960b6047ef96dfb9c529d9d7
Manifestb30dd6c933b191f5b5da1516e54d557301a0e2b3cddc6a0d287363cabac77578

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
SignatureLLujamO49AbrTQkgA1cW1hR9m/ch9nVsEHBYPMM3QgitgmkJ/7VnG3tdOMTVnoJ5X/yBjVcKzv3catn05VsKBg==
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

2026-09-17T12:06:15.476393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015493
observed 143b7f11728eebec53e3f5b94ccbfbe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.458166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015493/manifest.json
observed b30dd6c933b191f5b5da1516e54d5573...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.437868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015493/publication.md
observed f1b10d6c9f1aa9d577bf3032c9f47a92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.419491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015493/publication.txt
observed 2096ffd9f59183e3df30cb114cbfcafe...
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.