OpenTechnical

OT-2026-000063458

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000063458) never changes.

Identity and time

Publication numberOT-2026-000063458 · never reused
Internal UUID01a0ae8c-f944-7cff-9c2a-e7439d00ebce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063458
StatusPUBLIC

Content hashes

Canonical textdd42ca6c7f92c479a575d260c125a63d38f85c468e8ac918ab19da6abe2fd10e
Markdown99f3f945813d78cebb4f19b88cfad4e8756ed859c716c5f92d07c1aa66efadc6
PDF
Publication page5f24e513fa139a3d6bdf3afc30ba753e91f327a5fdcd06f952de33b66b316fef
Manifest15d2e7ad1477d85d5b51811df7ac9d577605ecad69fbf262c6c64849ad689978

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
SignaturevITMPzE1YvllbqJdR+wlkNPIg16VIxehYzwhNsbjtDovyTAkx6PP90KWs84RWvf8R4J5Ap8tbZaoJ2kJD1FNDg==
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

2026-09-17T10:37:25.349587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063458
observed 5f24e513fa139a3d6bdf3afc30ba753e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:25.331058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063458/manifest.json
observed 15d2e7ad1477d85d5b51811df7ac9d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:25.311934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063458/publication.md
observed 99f3f945813d78cebb4f19b88cfad4e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:25.292120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063458/publication.txt
observed dd42ca6c7f92c479a575d260c125a63d...
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.