OpenTechnical

OT-2026-000092507

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line 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-2026-000092507) never changes.

Identity and time

Publication numberOT-2026-000092507 · never reused
Internal UUID01a0ae9d-b5fd-7663-b84a-635240caf5f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092507
StatusPUBLIC

Content hashes

Canonical text307d5d22697ca29d5c58da39531352089e1761b7bdbbe9b3dcfc5381ad145f4f
Markdowndf9e640767c032686ad530c5e168678dba62b34cea3fc257d59d4de1dc8b1827
PDF
Publication page69ad53f97ea742c13851cab6b0509016a32d2f853750ab42bab321478b319e8f
Manifest7aa034d26970f236c5d04c34e92c7cedb2c3a38eba6f2f5e37e1bc7def3dfbe1

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
Signature6zq6YI1v5IoT2ke3kjebrLAs3vyTlWrnGwld31gNq2lfyXI8Yn5CSa/UMmQbrlEK7AcVFt+tEzzAzF+pPljYAg==
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

2026-09-17T09:40:46.993084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092507
observed 69ad53f97ea742c13851cab6b0509016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:46.977007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092507/manifest.json
observed 7aa034d26970f236c5d04c34e92c7ced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:46.956923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092507/publication.md
observed df9e640767c032686ad530c5e168678d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:46.938705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092507/publication.txt
observed 307d5d22697ca29d5c58da3953135208...
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.