OpenTechnical

OT-2026-000093087

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-2026-000093087) never changes.

Identity and time

Publication numberOT-2026-000093087 · never reused
Internal UUID01a0ae9e-0910-7cbb-a63a-417c93f80739 · 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-2026-000093087
StatusPUBLIC

Content hashes

Canonical text0f71cd0db38fcd9f0e3cac54951dd5f22a2595af7f229087b08482126b61898e
Markdown6fd9510d308db05621a7e8923e2895c94091c09829b2bee2d16cb50e685dd1e6
PDF
Publication pagecb20290671902158acf3f035f234bd511413794cbf97b6f96a41fffb12f6c2a1
Manifest6951e233867783cd4d385df116d71d0d5e7e43e855398a0a5342cd30e6148506

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
Signature1HMu/HdY6YJYFXmzrs7KIPoIFEFEcx+t5OcNTSPTB8r9EKtOfQmPH2N8sOsT3qlwe849yKAc3MqcxvJp1cA4DQ==
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

2026-09-17T09:40:20.384671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093087
observed cb20290671902158acf3f035f234bd51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:20.368432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093087/manifest.json
observed 6951e233867783cd4d385df116d71d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:20.351925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093087/publication.md
observed 6fd9510d308db05621a7e8923e2895c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:20.335084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093087/publication.txt
observed 0f71cd0db38fcd9f0e3cac54951dd5f2...
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.