OpenTechnical

OT-2026-000044041

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000044041) never changes.

Identity and time

Publication numberOT-2026-000044041 · never reused
Internal UUID01a0ae7b-d679-75aa-b4bf-397e51f7e124 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044041
StatusPUBLIC

Content hashes

Canonical text00c8fe2ad0b2c76cf88a22cb19db65afda7dc335ab9414cbbf8a879a0dcec790
Markdown4c493b493f64bb6333e84facc680232a663d0c44523d01b5017e80eb3de615cf
PDF
Publication pagefd1a346645ce12defee1242bc8d5190622a84ebf9c92d16c49460e6049a722fc
Manifest588f273cb8dbf5241d9563a7e008e828f1d8a49123de2f3630ff1e942af16279

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
SignatureaCqFfT0O1Bzwbm3ccQL03KrmpagZ3Glgq4oU0qBm9E+rN/zQ4wLC41S9Bqh4SRe3uvbbnWVnaL0iub1HYajEBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:25.905639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044041
observed fd1a346645ce12defee1242bc8d51906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:25.888733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044041/manifest.json
observed 588f273cb8dbf5241d9563a7e008e828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:25.868648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044041/publication.md
observed 4c493b493f64bb6333e84facc680232a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:25.848867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044041/publication.txt
observed 00c8fe2ad0b2c76cf88a22cb19db65af...
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.