OpenTechnical

OT-2026-000024012

Publication integrity record

Three bellows cup 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-2026-000024012) never changes.

Identity and time

Publication numberOT-2026-000024012 · never reused
Internal UUID01a0ae70-aed7-7fa0-8c25-029c8a126df8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024012
StatusPUBLIC

Content hashes

Canonical text7b9c2d06f1ae48ea6d3c978c21ec63ea01ea28f0013cb84cd34a0e9bcfb0966e
Markdown87100d3147760382384d71a8dd2d07e9e4e18d2afb83b739fe0972afdc9d0eeb
PDF
Publication pagef87672ee1f1dcde5d3cde1908c65f41882ab0fe75b32ad472587eb8a397aff75
Manifestc93463376a71f42d6c32b1cb20de41ebfec1028d6f914f4b43c17079e46ffa79

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
SignatureTCK111zxtCgvi9zwVor3N5EORUQi38YGhFb6Ziatf4GLNNNXkUXiyZRwiqt72sJX/dvALPnV5UJ5R4gFfMCQCA==
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

2026-09-17T11:50:47.486951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024012
observed f87672ee1f1dcde5d3cde1908c65f418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:47.468217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024012/manifest.json
observed c93463376a71f42d6c32b1cb20de41eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:47.451180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024012/publication.md
observed 87100d3147760382384d71a8dd2d07e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:47.434206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024012/publication.txt
observed 7b9c2d06f1ae48ea6d3c978c21ec63ea...
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.