OpenTechnical

OT-2026-000025086

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, sustained 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-2026-000025086) never changes.

Identity and time

Publication numberOT-2026-000025086 · never reused
Internal UUID01a0ae71-2729-792b-a4b4-2ca812958ba4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025086
StatusPUBLIC

Content hashes

Canonical textf6e5b1d6796e2060f66ac182cd12096e8d4cd728900cd03547aab019863feaf5
Markdown493b8700628bdfbf305da820044cd45b60bd70f9f62459c5cd046f5160c67f3f
PDF
Publication page52ca5308ba3ff6c00c320cf753b081c948126efb5441250052f48aa134c41411
Manifest8003f2df59143d03a395227991d151e1b6b1a84ed9437c29f2ac139837018c1e

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
Signaturejm+WNqQMumsbX7qYgYQtoUDNcKDL+gJ3FDs6Slun/T1E0PZRdP1U8gGl4uaqvNwyY5biDEb6OtTMtZ6en0NyBQ==
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

2026-09-17T11:48:30.236729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025086
observed 52ca5308ba3ff6c00c320cf753b081c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.211797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025086/manifest.json
observed 8003f2df59143d03a395227991d151e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.193242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025086/publication.md
observed 493b8700628bdfbf305da820044cd45b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.175734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025086/publication.txt
observed f6e5b1d6796e2060f66ac182cd12096e...
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.