OpenTechnical

OT-2026-000071650

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, vented 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-2026-000071650) never changes.

Identity and time

Publication numberOT-2026-000071650 · never reused
Internal UUID01a0ae92-1e91-7c01-b38d-0c443bf382b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071650
StatusPUBLIC

Content hashes

Canonical text2182e8db0513ffb4f4f92be2f277104c58e78986597c67904de31a73e4ab1c0a
Markdown2ec4185facce787ac50084911bf1a833f0f898d27413bbe61527283d21612c3c
PDF
Publication page67192b18959bfc67a9e26b5175b92ae4b447c6b46e128ce457f34ba321ff21b9
Manifestcfb90ebc7f25a85e46d2483a242af75f0485fc8a33282f5c5e5bd708d04cc29c

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
SignatureQva0PpONYX6nouSuECf+2caysi5Ml4x1L3A7OAXPVpY5YVoaAIxiiaDiFNP3BXUaF4vwebtjQ+LP9TLzJLjtBg==
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

2026-09-17T10:23:40.998611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071650
observed 67192b18959bfc67a9e26b5175b92ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:40.979805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071650/manifest.json
observed cfb90ebc7f25a85e46d2483a242af75f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:40.962069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071650/publication.md
observed 2ec4185facce787ac50084911bf1a833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:40.945110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071650/publication.txt
observed 2182e8db0513ffb4f4f92be2f277104c...
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.