OpenTechnical

OT-2026-000088075

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000088075) never changes.

Identity and time

Publication numberOT-2026-000088075 · never reused
Internal UUID01a0ae9b-1aa7-72dd-88f5-1a68dc382972 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088075
StatusPUBLIC

Content hashes

Canonical textba4ff1f1e2efcca6727cb21737a8e4ed466a1fe03135af3584b20ef1099f556c
Markdownd637c47a51d776c305211de8642a0322cfd667f558cfa0705acdcb900fd67bc4
PDF
Publication pagee20097996a66ea5f4301976170fa0b52d676196384e1bc6a3ba716baaa889c91
Manifest5ab99270bfe12d3a4cf3540a4af798896c1b491c04bccaad1a8e59817a0fbb73

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
SignatureQ8gr+oxwFzOkjafto8dSxdI6oK3oiwiawFT27PXVw4bf39txs3LJiOfmZHsEYw1uzXIYQW/lNKV+WTa2Y/XMCQ==
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

2026-09-17T09:50:04.559032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088075
observed e20097996a66ea5f4301976170fa0b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.543818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088075/manifest.json
observed 5ab99270bfe12d3a4cf3540a4af79889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.526132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088075/publication.md
observed d637c47a51d776c305211de8642a0322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.510623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088075/publication.txt
observed ba4ff1f1e2efcca6727cb21737a8e4ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.727213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088075
observed e20097996a66ea5f4301976170fa0b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.709466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088075/manifest.json
observed 5ab99270bfe12d3a4cf3540a4af79889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.692623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088075/publication.md
observed d637c47a51d776c305211de8642a0322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.676840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088075/publication.txt
observed ba4ff1f1e2efcca6727cb21737a8e4ed...
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.