OpenTechnical

OT-2026-000064025

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, vented after set-down

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-2026-000064025) never changes.

Identity and time

Publication numberOT-2026-000064025 · never reused
Internal UUID01a0ae8d-53bd-7f83-9a86-15180a34339e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064025
StatusPUBLIC

Content hashes

Canonical textb12f1488cc0f4fbcd36af2514bbcd774d36877e96bd6ae82c70c8fd479aef703
Markdown9e916e2e79ebe3c4b316952fc50a578c06e7b1faa699410fb6be06bc6644a672
PDF
Publication page77d7438cdafbeb8e8a936cc74dc833867b9441f2adf49009c59390d3ea8967ea
Manifest32819f26bd6ec17d634e993aac0e16274c74d67f47b9351971f567f1302b701c

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
Signature6jnD8+fYpR2Gk8L0DyC+cTXHH0z+fZLFcQpXHinUXuobHqTCfReKQWStP/pdTzIXIbyaVyC0XUU0hfRAobxcBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:06.563878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064025
observed 77d7438cdafbeb8e8a936cc74dc83386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:06.546895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064025/manifest.json
observed 32819f26bd6ec17d634e993aac0e1627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:06.529601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064025/publication.md
observed 9e916e2e79ebe3c4b316952fc50a578c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:06.510910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064025/publication.txt
observed b12f1488cc0f4fbcd36af2514bbcd774...
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.