OpenTechnical

OT-2026-000072583

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000072583) never changes.

Identity and time

Publication numberOT-2026-000072583 · never reused
Internal UUID01a0ae92-89d8-7764-8b1b-89a2bf414d7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072583
StatusPUBLIC

Content hashes

Canonical text58a6866a3e8bcb624cfb18fbbcae708a950a827d072600b565599e78cf7868fe
Markdownb2436b38d8ef0de8c8336ef33ce87852edaba0beed293ec1946e66514c0242dc
PDF
Publication page35214b6d1352d80dfdf50ce4e559c6c454648da41bfe9c1d6a722171576ec7b1
Manifestd319145c658d7d68fcdf2a5ffda42e560de277fa2718dc38f53aec4515c33c63

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
SignatureBGnVRkRxWNuuNUp0rPpwz8JYUWgJ43yQlcvdXOv9UxWXLlktqX0DhMgk9LCDMlpbOWP29pYxIoT+WEN1dFJOAQ==
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

2026-09-17T10:22:25.535516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072583
observed 35214b6d1352d80dfdf50ce4e559c6c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.518619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072583/manifest.json
observed d319145c658d7d68fcdf2a5ffda42e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.500184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072583/publication.md
observed b2436b38d8ef0de8c8336ef33ce87852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.481533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072583/publication.txt
observed 58a6866a3e8bcb624cfb18fbbcae708a...
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.