OpenTechnical

OT-2026-000093089

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000093089) never changes.

Identity and time

Publication numberOT-2026-000093089 · never reused
Internal UUID01a0ae9e-0910-71e1-a22e-0d07e62b7616 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093089
StatusPUBLIC

Content hashes

Canonical text5cb437b97d0cd2b2c916900f905fdb6c7513c0f62346e0428233573c6f4c7c09
Markdown9ae191612929ef2303ee0aa11c96df7d5b5d3e60bfeda5a7ce00daf3643461aa
PDF
Publication pagecbf289ea8b1d44ccf967b7f70bd906534ebabdd1b5d9368b20c0f88dee2edd8b
Manifest9a37110a86688714ddafcb786f84b38d1d55b8997fae8a043a136881e744fca5

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
Signature8fxEdc7hjcWJeU95UJKot+Kl3BBMkq3XIESxUjvT/vzw9G60Vr7/8biDhr/WRk4UFVdkxeW/4GO5ep3gUWu5AQ==
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

2026-09-17T09:40:20.538568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093089
observed cbf289ea8b1d44ccf967b7f70bd90653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:20.519888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093089/manifest.json
observed 9a37110a86688714ddafcb786f84b38d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:20.502997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093089/publication.md
observed 9ae191612929ef2303ee0aa11c96df7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:20.481794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093089/publication.txt
observed 5cb437b97d0cd2b2c916900f905fdb6c...
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.