OpenTechnical

OT-2026-000040104

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000040104) never changes.

Identity and time

Publication numberOT-2026-000040104 · never reused
Internal UUID01a0ae79-26fd-716b-b938-09aefe65c7a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040104
StatusPUBLIC

Content hashes

Canonical text5274dd0682dc88cd95860d4431c77d264679a457b496f10514ea77b5becc3331
Markdownd8ebfdc20ea17e134f56f80532d1fde627d13b2e28b064ea6216e57c5c935e17
PDF
Publication page79121211c82f2593bc156abe98a3b51da0b7a674486a4cdf42bfad1f0758ac4d
Manifest7caf017a162fc8ef965590ce31c7069cf422ad772ace6e7bf29f526b77df5903

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
SignaturenJhkbJa0n0hpYv3vBVzKYoHq485DdyzdheBIJw1XBhdZ7wSEKyWyZDdkS/y8WmDSUt/m9mJ/n1Ku0dJphoM3AQ==
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

2026-09-17T11:18:57.948553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040104
observed 79121211c82f2593bc156abe98a3b51d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:57.930874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040104/manifest.json
observed 7caf017a162fc8ef965590ce31c7069c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:57.913166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040104/publication.md
observed d8ebfdc20ea17e134f56f80532d1fde6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:57.895825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040104/publication.txt
observed 5274dd0682dc88cd95860d4431c77d26...
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.