OpenTechnical

OT-2026-000051261

Publication integrity record

Single cup vacuum gripper, common isolation valve, 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-2026-000051261) never changes.

Identity and time

Publication numberOT-2026-000051261 · never reused
Internal UUID01a0ae83-2740-735c-a30f-0f2af38826ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051261
StatusPUBLIC

Content hashes

Canonical texted6bacf0e90c2c1594962b9c560933d92069619841397d8fe48737f0f98c4afc
Markdowna4d8ec2090e5a1378b390407d3b5548a77314844fc67ffe35a6247418896e259
PDF
Publication page10f670ca1f9f580a73ab9c93ab57ac767b01a76d8e4a26db3e5a5b037fc64b72
Manifest4f10a841d8dbddb33b325b27061392f670ca39f47609ca7b9839f2e75a4da2ef

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
SignatureS3Io33c+ArM7ftiaRrhhx2nA6T+qsuCC8UjQseNwIgqtqayHejYEqAqdB1wtLSveydj2MN2S5SvlKGdCJ/2fAQ==
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

2026-09-17T10:59:03.643125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051261
observed 10f670ca1f9f580a73ab9c93ab57ac76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:03.625662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051261/manifest.json
observed 4f10a841d8dbddb33b325b27061392f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:03.608164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051261/publication.md
observed a4d8ec2090e5a1378b390407d3b5548a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:03.590011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051261/publication.txt
observed ed6bacf0e90c2c1594962b9c560933d9...
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.