OpenTechnical

OT-2026-000048513

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000048513) never changes.

Identity and time

Publication numberOT-2026-000048513 · never reused
Internal UUID01a0ae80-4de6-7b42-ab86-cfed5820db92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048513
StatusPUBLIC

Content hashes

Canonical text1a0c5459309bc31ddd3098d57f706ec7a384fce34ef287925d8b5bf02a9d636b
Markdownaedeee4d861cf58038173f244e2c06d34c52e37d74f4655226632449c25d65e8
PDF
Publication page39b9345cd6876138f2da6882205cf4f1c433dd6398211ee87d15f7f145735a3b
Manifest8b26d3a21c14a7607a1f6597e9bde206b43bc45e9de02c1f7c682cdc575f8f6f

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
SignatureZVqaF3Ii74yET4HHA+vfJWRaU9t+XwQDeQxThCSEozyJKr/f+6QChCnWWhXwZf62eXlLlf1WKk06dxn0n1NHAQ==
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

2026-09-17T11:05:11.481742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048513
observed 39b9345cd6876138f2da6882205cf4f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:11.462936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048513/manifest.json
observed 8b26d3a21c14a7607a1f6597e9bde206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:11.443389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048513/publication.md
observed aedeee4d861cf58038173f244e2c06d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:11.423277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048513/publication.txt
observed 1a0c5459309bc31ddd3098d57f706ec7...
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.