OpenTechnical

OT-2026-000009880

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, vented after set-down

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-2026-000009880) never changes.

Identity and time

Publication numberOT-2026-000009880 · never reused
Internal UUID01a0ae6b-cb78-7101-909c-58f9c53dbb1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009880
StatusPUBLIC

Content hashes

Canonical text2beba494bf286b000e1a84a6dfd0c8176a1d69359b30c689bbc4c7df90d3e423
Markdown34a0e8274594c6e71f0ca255bfd73813385c4596b928465c114d039df4b92499
PDF
Publication pagea4e7fa1b658c777cf0e895668691b855e55d5458f7e42da2db9a222943bf27e9
Manifest388ee9ea48544e718b3004e90a50b70f607ae08b4c601786079e465f8b72757b

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
Signature/oAxtNBE1NzVDSRgZpFljfWVE2OPVLt7fw82o0OORIztuKGfYReuaZ9cCm37nAHg3FuYXqIlYSmM2HP1GyvMAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:53.259568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009880
observed a4e7fa1b658c777cf0e895668691b855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:53.239814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009880/manifest.json
observed 388ee9ea48544e718b3004e90a50b70f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:53.220073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009880/publication.md
observed 34a0e8274594c6e71f0ca255bfd73813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:53.198418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009880/publication.txt
observed 2beba494bf286b000e1a84a6dfd0c817...
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.