OpenTechnical

OT-2026-000018024

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000018024) never changes.

Identity and time

Publication numberOT-2026-000018024 · never reused
Internal UUID01a0ae6e-96fc-75da-9037-8d88dd7751ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018024
StatusPUBLIC

Content hashes

Canonical text8f2ebd04b1f440fb5aa9c7f0ccc18b848e988679be8ba9907e9e2730418bacd5
Markdown64f131a2db009cc8124c802f167d31c0d563fc76e338a790a6250e78b59da9a3
PDF
Publication page858ed840327b736e443fc2285970c7b1cfad01124ac861e2ab780969f17538ff
Manifestce032572b58bcd80feeb88293994c9269e21ed982cab00125c487cfa0517c848

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
Signaturego42JUci2BIFyFVKElgZgcohiNN7wW+XKYDvdGfqjpF+JJNxgppusE5ctJ3avXXO1DgCCm2VIyw7zY7MmyywBQ==
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

2026-09-25T04:41:25.721826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018024
observed 858ed840327b736e443fc2285970c7b1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T04:41:25.663826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018024/manifest.json
observed ce032572b58bcd80feeb88293994c926...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T04:41:25.614946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018024/publication.md
observed 64f131a2db009cc8124c802f167d31c0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T04:41:25.562040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018024/publication.txt
observed 8f2ebd04b1f440fb5aa9c7f0ccc18b84...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T04:42:07.848626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018024
observed 858ed840327b736e443fc2285970c7b1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T04:42:07.710243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018024/manifest.json
observed ce032572b58bcd80feeb88293994c926...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T04:42:07.562249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018024/publication.md
observed 64f131a2db009cc8124c802f167d31c0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T04:42:07.431361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018024/publication.txt
observed 8f2ebd04b1f440fb5aa9c7f0ccc18b84...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent