OpenTechnical

OT-2026-000015578

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000015578) never changes.

Identity and time

Publication numberOT-2026-000015578 · never reused
Internal UUID01a0ae6d-ef4b-7980-bc51-fa8d0eee10c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015578
StatusPUBLIC

Content hashes

Canonical textb705ccf432be75176692011ce58efc99a325a598e3366bfd7a16c2d3f23b6917
Markdownb110edef3be7f5c716f48290ef94364d1647672ca77b63bdb020f2c7b979c435
PDF
Publication page7b49319fc3d22fb237a5b68ff907ac6eda9f8194cb660f6a4cdf675cc640c023
Manifest77d9284addeae9268ebae3302be042430a6c84da0ea6616e410b41b70aa9c583

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
SignatureK+U7pZ4HlgY+G9K2UNR8CFn2SV/8lx6/a1y1DBM6E+6GDJUQfQtxcLvRF3+n8tQ8PZ64daFCtpqPPO0dbL+TDA==
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

2026-09-17T12:06:22.371443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015578
observed 7b49319fc3d22fb237a5b68ff907ac6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.352088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015578/manifest.json
observed 77d9284addeae9268ebae3302be04243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.333518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015578/publication.md
observed b110edef3be7f5c716f48290ef94364d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.315229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015578/publication.txt
observed b705ccf432be75176692011ce58efc99...
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.