OpenTechnical

OT-2026-000068121

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000068121) never changes.

Identity and time

Publication numberOT-2026-000068121 · never reused
Internal UUID01a0ae8f-c4fe-76eb-b687-04dd4a68c2c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068121
StatusPUBLIC

Content hashes

Canonical text133cd1faa0e5a9cd9014e056ff2918f065619817ed8d5fedb76e90c621a8170e
Markdown222421ed6ae358c67708b675f0c6851ab52f96b51da11b7a2d82386ee83e9d60
PDF
Publication pageeaf84e2e5fa8b4aefb298cde3afd1c0560e1b43dd8f6e047bec0d484c2c29c9f
Manifest3c0d04cb5dfafe11f33a69f882e8f05795f60ffd6fd69802c360c4b5db6c37b0

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
SignaturedWqR+M0v7JSpY3ITenrZ1M7prlh5ipD6IC4COdXHI/5fNhIjF/qIGVAAdONZQg3sH568XiLlOsiPyJJRxiCYAw==
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

2026-09-17T10:30:45.551320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068121
observed eaf84e2e5fa8b4aefb298cde3afd1c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:45.532234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068121/manifest.json
observed 3c0d04cb5dfafe11f33a69f882e8f057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:45.510322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068121/publication.md
observed 222421ed6ae358c67708b675f0c6851a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:45.489446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068121/publication.txt
observed 133cd1faa0e5a9cd9014e056ff2918f0...
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.