OpenTechnical

OT-2026-000008599

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000008599) never changes.

Identity and time

Publication numberOT-2026-000008599 · never reused
Internal UUID01a0ae6a-e46b-7465-ad8d-034fd0124fe8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008599
StatusPUBLIC

Content hashes

Canonical text68716f2f7ef3f4da965b8036aed8e4b6e772a7056fccd1ec37ace49a6fb8fed5
Markdown08aaf43f375d10af9c775cfa7fcff1b54898d1b0bcd6cf434146d75bc49eb596
PDF
Publication page349a927e09e6482ec48fb8d7540671a385ce41f3be544d0ef6c9d33a58127a08
Manifest4b4e592b914056134a90b7ab50101a3e1596147cb707c898250250927ef9ba79

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
Signature6ALbWtvi1oSUn5E3Ej9h9fQfiClBoNB2XLXCmA+TxtO+iDzPO5SrloAe8YDE7DnXWJdMTCqWXwY9IgR7YIiUDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:33.203071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008599
observed 349a927e09e6482ec48fb8d7540671a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:33.185449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008599/manifest.json
observed 4b4e592b914056134a90b7ab50101a3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:33.164716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008599/publication.md
observed 08aaf43f375d10af9c775cfa7fcff1b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:33.145606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008599/publication.txt
observed 68716f2f7ef3f4da965b8036aed8e4b6...
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.