OpenTechnical

OT-2026-000015976

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed 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-2026-000015976) never changes.

Identity and time

Publication numberOT-2026-000015976 · never reused
Internal UUID01a0ae6e-0c4d-79bb-be46-fd8c4a214c1a · 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-2026-000015976
StatusPUBLIC

Content hashes

Canonical textad82897076fbe338b43e4c46dfe1fcd721a02956848c3cd4baac697bf6773919
Markdown8e2f6ba3ceb979dc1a46f6dfb60ff12e7c6a059a3d962d3e6c5bb0e9699ab9ad
PDF
Publication pagea57ee7ad15625aa1f3a4b74fc7302467180efa0feeead2c7ec2929487b05cf90
Manifest13836a284c6f92981a2649e68474e5581cc4d4e903a4d3613277f0fe3cb7ebf5

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
SignatureeX1TkbAEpjE8u4kzL+YWT+wtJEaMepFLGoE9hyU4pz+ibc3Ec4Kugq6vLN/V01TeKSJE8nhFGBS2qnXLQi7mCQ==
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

2026-09-17T12:05:28.897829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015976
observed a57ee7ad15625aa1f3a4b74fc7302467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:28.872379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015976/manifest.json
observed 13836a284c6f92981a2649e68474e558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:28.845378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015976/publication.md
observed 8e2f6ba3ceb979dc1a46f6dfb60ff12e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:28.819526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015976/publication.txt
observed ad82897076fbe338b43e4c46dfe1fcd7...
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.