OpenTechnical

OT-2026-000095746

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000095746) never changes.

Identity and time

Publication numberOT-2026-000095746 · never reused
Internal UUID01a0ae9f-fac6-7fec-a463-4e7184a58dd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095746
StatusPUBLIC

Content hashes

Canonical text98cfa5b3a5663fe5cf5184f6f0c7efc8941e035593833eca9184918c4948366c
Markdown8271b928f417d0737e0beeb81ab177bae64f6ab87ce0db3c8be745c4a3d3474a
PDF
Publication page35d7dc261f88db6788d8d7934f60097d840a91ef1345802571d6671c1020276a
Manifest2493676b5b3ca34b4634152f283c21c00fd13be6c8a91a112480de1eeb8e3b11

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
SignaturewfVfPhwcnyycpcs6dqAmQKxDJEDIWFPD9I2aud64mRpwhciN6ypO0UtyoQe3d7vrYKeV/d8tFowbvOqWBVWJAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:18.749946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095746
observed 35d7dc261f88db6788d8d7934f60097d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:18.731998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095746/manifest.json
observed 2493676b5b3ca34b4634152f283c21c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:18.713368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095746/publication.md
observed 8271b928f417d0737e0beeb81ab177ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:18.694188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095746/publication.txt
observed 98cfa5b3a5663fe5cf5184f6f0c7efc8...
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.