OpenTechnical

OT-2026-000074865

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000074865) never changes.

Identity and time

Publication numberOT-2026-000074865 · never reused
Internal UUID01a0ae93-ac2c-7172-9ed5-ae7228569f12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074865
StatusPUBLIC

Content hashes

Canonical text2e8cb7e29d0f2e4f41cf3cbf4c2de1f55872c94844f8048002621b59c9aed13f
Markdown6ecb12724923a7c665b7df94615d5b4d24d1ac34e8c149fcf5c2ad8f3e352dbd
PDF
Publication paged89d464e7a03b01e666289cf9c18aa100741164a968fac2910f470bab43d2470
Manifest02ed595f8689a56dcb003fefd75df1137482d036e8f32a51d16ec0195f2a409d

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
SignatureftrPsuC9lB7XRRsJt5GatlZphRVodxyhbBpJ1Ja9py/20mZTRP6zAB1euvHpprhiL6Pcjv0YncIMdjrMKR4cCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:34.893970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074865
observed d89d464e7a03b01e666289cf9c18aa10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.878363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074865/manifest.json
observed 02ed595f8689a56dcb003fefd75df113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.863026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074865/publication.md
observed 6ecb12724923a7c665b7df94615d5b4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.848072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074865/publication.txt
observed 2e8cb7e29d0f2e4f41cf3cbf4c2de1f5...
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.