OpenTechnical

OT-2026-000098159

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump 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-2026-000098159) never changes.

Identity and time

Publication numberOT-2026-000098159 · never reused
Internal UUID01a0aea1-e964-77a1-a169-989f1e2e7a0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098159
StatusPUBLIC

Content hashes

Canonical text77d3b36bc71181e02f29d17bcddd70e7980c1d907fe667aea6f93e92acc8e40c
Markdown3eac5f953b12597f1e06df25fbf8f36b2add63e29f6280013a6211fc5350a7e8
PDF
Publication page6f82e933225ccb72512ec55df94537f74318faa7bebf0f5cd174c56b75095e40
Manifest14bf29088212c01dabcd7438a9be6885f2f3bb826391c71c6592f253f6c7e650

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
Signature8qp3E5XeAkG95eVa/toSbw4AcQoZX82f2I6346dyTSwMnVFQfJwPZailCdwmFred3broscv34vjzHt9/6DzMBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:18.554061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098159
observed 6f82e933225ccb72512ec55df94537f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:18.537985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098159/manifest.json
observed 14bf29088212c01dabcd7438a9be6885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:18.520911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098159/publication.md
observed 3eac5f953b12597f1e06df25fbf8f36b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:18.505598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098159/publication.txt
observed 77d3b36bc71181e02f29d17bcddd70e7...
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.