OpenTechnical

OT-2026-000053246

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, vented 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-2026-000053246) never changes.

Identity and time

Publication numberOT-2026-000053246 · never reused
Internal UUID01a0ae85-0a14-7251-a1ff-0d5780217d82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053246
StatusPUBLIC

Content hashes

Canonical text4b8eb3bac43b024fcf499ac49b60861c729995def354368cb8c01f6b614cb694
Markdowna066a7b7f90528b3641bb4df7e0f7df55284bba4cb0351dd29b4a22121e43d2c
PDF
Publication pageeaa503313bc7c727c2e043ee4f056e7c19eedcb7ac9c2d1b59afecea135b8e0d
Manifest0d95affef86cd32ccad95b326607c320283758fd9397db9853aa4731a9b0f360

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
SignatureFK6jHwXfCIp5x5zO4hd9aSyW/pwdl1S/A48doMCD0ZNvr6bP861eqwPNu7T4OKa6T9yn/NiCzMgTa1H8xNuADg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:56.277815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053246
observed eaa503313bc7c727c2e043ee4f056e7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:56.255744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053246/manifest.json
observed 0d95affef86cd32ccad95b326607c320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:56.233500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053246/publication.md
observed a066a7b7f90528b3641bb4df7e0f7df5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:56.214256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053246/publication.txt
observed 4b8eb3bac43b024fcf499ac49b60861c...
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.