OpenTechnical

OT-2026-000007699

Publication integrity record

Foam pad vacuum gripper, 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-2026-000007699) never changes.

Identity and time

Publication numberOT-2026-000007699 · never reused
Internal UUID01a0ae62-843e-7c5c-a018-8416c1df4faf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007699
StatusPUBLIC

Content hashes

Canonical text227acaf5c549352e1304a0fc1dc1e0f1f686e7906f741b2635e35af18c4081c4
Markdowna0c139ca6fefac7fad1f4e9ce23110fbb33531e9f2ca72f2aa4345cd218bb5e6
PDF
Publication page889e56f688290d6fdc18376dd75896b637a303b01e11505a5bce77f7d2b64c40
Manifest74dbed97cde5bcc6a111ad0bfc9298e4d06d5aec49b484c27ad1c19452a1a239

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
Signature8bvv95WeP3Vxt4BO1jCzSL/lwwMC/4fqO3vlfDJO1p923EJccvzEkHzMyp984Rw7CTM+r4ZMyoXB2Lh3/wwZDA==
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

2026-09-17T08:10:04.875225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007699
observed 889e56f688290d6fdc18376dd75896b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:04.856178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007699/manifest.json
observed 74dbed97cde5bcc6a111ad0bfc9298e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:04.837276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007699/publication.md
observed a0c139ca6fefac7fad1f4e9ce23110fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:04.818878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007699/publication.txt
observed 227acaf5c549352e1304a0fc1dc1e0f1...
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.