OpenTechnical

OT-2026-000027922

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000027922) never changes.

Identity and time

Publication numberOT-2026-000027922 · never reused
Internal UUID01a0ae72-a4a5-7343-b8d8-8b1cd3644a41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027922
StatusPUBLIC

Content hashes

Canonical text753fa726ace73324674d7bcf2fdee15ba4c12b8f0a9be679dc9ebfe2f2159ef2
Markdown9c61eb4e19e6da1e727a175932e2a70b138682e6cd14175da9da191a685382b2
PDF
Publication page5dd66b47e5244012dec9ad950ff3ef7c98cc802b362a6b670057a9e0245ead93
Manifest6d463f91a01561b82c98fd060502f4bb9a4d7464381ad83f671d3ab7b1f67c99

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
SignaturesbM2xyeYaVGKEwSqjqNH+EJrLkf1iwCOEUTypWHaJE191HICZDlw2FxBQ4s5L6WQuFVmV0MqaqG9T1cjppGeAQ==
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

2026-09-17T11:42:06.017465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027922
observed 5dd66b47e5244012dec9ad950ff3ef7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:05.999879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027922/manifest.json
observed 6d463f91a01561b82c98fd060502f4bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:05.981711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027922/publication.md
observed 9c61eb4e19e6da1e727a175932e2a70b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:05.957017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027922/publication.txt
observed 753fa726ace73324674d7bcf2fdee15b...
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.