OpenTechnical

OT-2026-000051285

Publication integrity record

Single cup vacuum gripper, common isolation valve, three 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-2026-000051285) never changes.

Identity and time

Publication numberOT-2026-000051285 · never reused
Internal UUID01a0ae83-2740-7068-b9f1-709b410a9b78 · 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-2026-000051285
StatusPUBLIC

Content hashes

Canonical text5919d6008735f9cd5a8c47909874e6126d221926f0a7955ef7e6fe0ef294b13d
Markdowned6c6c50454e24fd22b5cba6d6991fb7c78a49b8cf640527671511bc54f28c7a
PDF
Publication page32b8467f32116e7f32474d21e7d62a31b9773db052903b54787ae7b1d3e5f0ee
Manifest1262caea1950623c6d2494c4b577020f7a93f6df69798574ea8b3f6b415d5a0b

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
SignatureJXBortz/Lvy82x14NTQmWuo/eFmaikjFfIc5TSZTxBC8jbVjRxeAb49pf5eQ3pDi5NBYexFiGHt3vry9KFXjAA==
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

2026-09-17T10:59:05.534289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051285
observed 32b8467f32116e7f32474d21e7d62a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:05.515059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051285/manifest.json
observed 1262caea1950623c6d2494c4b577020f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:05.493917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051285/publication.md
observed ed6c6c50454e24fd22b5cba6d6991fb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:05.474199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051285/publication.txt
observed 5919d6008735f9cd5a8c47909874e612...
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.