OpenTechnical

OT-2026-000015385

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000015385) never changes.

Identity and time

Publication numberOT-2026-000015385 · never reused
Internal UUID01a0ae6d-ef49-7dc8-abf3-f3c4b21cc80d · 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-2026-000015385
StatusPUBLIC

Content hashes

Canonical texta7d0b31f1505e6d9b0f2b83d32b219a30fd177f0ad0a6efccc7c42710fab21d5
Markdown905e148898cdc9d021d88637e866c50414b3077fc6531e9e63f255455f93efb5
PDF
Publication page131f91ef2ce5223a128ea8878cab39a48d89353eb84a81273454ef35e627982e
Manifestb433e8a382c7b422254e554390d5dfcc408be5e1b2f1449f0f63ae9f5c2e31b7

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
Signature9J450pjvuMqZoPhkkjqCy66tTxrCaO5rP5O+p9ALwv0ENTEIRs3+K++yRbCatt2MNzhVONC/x2eoCs2dFbrMAw==
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

2026-09-17T12:06:06.212914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015385
observed 131f91ef2ce5223a128ea8878cab39a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:06.193583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015385/manifest.json
observed b433e8a382c7b422254e554390d5dfcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:06.173537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015385/publication.md
observed 905e148898cdc9d021d88637e866c504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:06.154341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015385/publication.txt
observed a7d0b31f1505e6d9b0f2b83d32b219a3...
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.