OpenTechnical

OT-2026-000007568

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000007568) never changes.

Identity and time

Publication numberOT-2026-000007568 · never reused
Internal UUID01a0ae62-4df7-7871-ba5f-991daa2fc3ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007568
StatusPUBLIC

Content hashes

Canonical textf5322891dcda6401f139db550f543cfeee254cde44e91962b70ae8f5d4abdb29
Markdownb67f119a2ab339543fd1a7d80e5b31207b37847185434b16c4d93ba957319c82
PDF
Publication page5dc3d566ab4badeaa9c042eb5a375a2a5e292d4e717b787b2aff1a76e1b99616
Manifest866f80d8bfc8cf7ca462ccbbc2c3c28570593c68aec4c84a4a77933636b4f702

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
SignaturenU/0828u5jIYJJZzPVJ83ybw1N3pR3CP1qaabkiUeFoAcKGedobX0RnvhHggP2w7LxLXwC516lfvMd2yCmr/DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:24.935081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007568
observed 5dc3d566ab4badeaa9c042eb5a375a2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.916629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007568/manifest.json
observed 866f80d8bfc8cf7ca462ccbbc2c3c285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.899209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007568/publication.md
observed b67f119a2ab339543fd1a7d80e5b3120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.882602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007568/publication.txt
observed f5322891dcda6401f139db550f543cfe...
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.