OpenTechnical

OT-2026-000065811

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed 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-2026-000065811) never changes.

Identity and time

Publication numberOT-2026-000065811 · never reused
Internal UUID01a0ae8e-46fb-733f-b8a9-74b354e89f5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065811
StatusPUBLIC

Content hashes

Canonical text1f1c1dac17b3572563e679ba14d47eba5f2af719075d0f8ba1c8689707d97012
Markdowna037732190bacdc35cdbb8b3076295b704c88017a608c85643136b0306c9a95f
PDF
Publication pagee72f268c9055a0f358fc69f6a9741c5e80a9f9bbeb6455e353adb7bdfd278eda
Manifestfdcc098e955f9f559e7bf5fe0c086a299d50bc049cb0b2ed365d6b37572a177e

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
SignatureOFy0j6xaUEAddUL8LrusWDJPC0R1rDiRbsqYbTt545J8HsuZv8N7zFRcFb9SegfHdcRKKD8QVI5S0bXm/hHQDg==
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

2026-09-17T10:34:15.288117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065811
observed e72f268c9055a0f358fc69f6a9741c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:15.270986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065811/manifest.json
observed fdcc098e955f9f559e7bf5fe0c086a29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:15.254417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065811/publication.md
observed a037732190bacdc35cdbb8b3076295b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:15.236738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065811/publication.txt
observed 1f1c1dac17b3572563e679ba14d47eba...
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.