OpenTechnical

OT-2026-000068355

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single 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-2026-000068355) never changes.

Identity and time

Publication numberOT-2026-000068355 · never reused
Internal UUID01a0ae90-2480-7cd5-aa2b-f9f08b36c917 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068355
StatusPUBLIC

Content hashes

Canonical textc135e2689d8e0956f027a9596d1d5a9d3039c0209aada45e7291a36cb0c0f8a6
Markdowne04071f30ee60f3ad08d77e3b601813a4a6f6c970babcb8cea922fd0947496fb
PDF
Publication page038d84ae6c0e3aa256d7fe70675ee59f102fc9002deb392f8d6fc34457f1f294
Manifestb1073c0b54c79d1d91e90e46c93f98923c00f01ac333f5adda99f58bf39d8a81

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
Signatureevm8xP99wuNkP1d5KsY4wQYCQYwr6lkPuVZmQ6pIxUFVzdOKrR8vPrTYl7qDPCPkTO1TvhEQZsWDQiL6MLZHAQ==
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

2026-09-17T10:29:24.207992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068355
observed 038d84ae6c0e3aa256d7fe70675ee59f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:24.192506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068355/manifest.json
observed b1073c0b54c79d1d91e90e46c93f9892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:24.127106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068355/publication.md
observed e04071f30ee60f3ad08d77e3b601813a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:24.078831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068355/publication.txt
observed c135e2689d8e0956f027a9596d1d5a9d...
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.