OpenTechnical

OT-2026-000062605

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three 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-2026-000062605) never changes.

Identity and time

Publication numberOT-2026-000062605 · never reused
Internal UUID01a0ae8c-0ac1-768d-aeb8-cd6dd2b89ae4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062605
StatusPUBLIC

Content hashes

Canonical text30e512b715482df0279f4c0010f271018b4fc28eb67e00107601a914f98909c6
Markdownb41de5e47fdf4078dbce9a0dab8dbd584e961bcbab238f8e45b68a627267c2c3
PDF
Publication page08fc60e793e68c84b882c32f7aac5a3860c0cbd22905e7f322076829b095e745
Manifest424615180eb64f26bf564ae100671bd5d147f2b259f150ec122d6717190a4a5e

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
SignatureAdCBBsTgPSlcUuGhJEv10iQeiDoGL6LwwNM6DHLl39/9K2qJfvccWng9gpe/TFYnEmGXqCzlQ0vV9rgRPBrQAQ==
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

2026-09-17T10:40:06.387237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062605
observed 08fc60e793e68c84b882c32f7aac5a38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:06.366372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062605/manifest.json
observed 424615180eb64f26bf564ae100671bd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:06.344531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062605/publication.md
observed b41de5e47fdf4078dbce9a0dab8dbd58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:06.323497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062605/publication.txt
observed 30e512b715482df0279f4c0010f27101...
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.