OpenTechnical

OT-2026-000006491

Publication integrity record

Bellows cup vacuum gripper, three stage ejector, pressure verified, contact triggered on the face

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-2026-000006491) never changes.

Identity and time

Publication numberOT-2026-000006491 · never reused
Internal UUID01a0a95d-192d-7305-a45e-5b2b98a5f74e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:37:25.935789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006491
StatusPUBLIC

Content hashes

Canonical text968d8ce9bd8d2c5d564d61847a8d8e76ed84e081e414dbef9c2268a94e633ce4
Markdownaea13f79372d794589e71b30c4e3e0fe4b7205011464d6fa0189ced1eddd4b87
PDF
Publication pagea10b9a1911d449ddc3a90af3bdd9646566c2f057efa2983fa9d21cf54ef5e460
Manifest0185e0dfa0361aea2ef85080f4a06b76d87fb9243d9b72cca46b666797b659b2

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
SignatureDLI894MHWq9FICKk4ncexV3Ht2dXid4ZiP2O+Ti94cgO8dPImAF3XN/RwkUe/IvP04DUibZf5CNDvnVvFtUQAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:11.485514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006491
observed a10b9a1911d449ddc3a90af3bdd96465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:11.473809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006491/manifest.json
observed 0185e0dfa0361aea2ef85080f4a06b76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:11.461315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006491/publication.md
observed aea13f79372d794589e71b30c4e3e0fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:11.448580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006491/publication.txt
observed 968d8ce9bd8d2c5d564d61847a8d8e76...
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.