OpenTechnical

OT-2026-000090092

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000090092) never changes.

Identity and time

Publication numberOT-2026-000090092 · never reused
Internal UUID01a0ae9c-428e-7285-bf89-f6990aa59d22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090092
StatusPUBLIC

Content hashes

Canonical textb98742556f342886b88c0f8a8d227dd607fa7c4fbaa33fd18f448eb34e876131
Markdown4e7fce41a24f7548b2e68d5d65549611d8513e6876eb508719e74f8344929791
PDF
Publication page4774809f15bf29722fe228f8b861f172547bf5d2ede16350fc5697b05dcc8538
Manifest5191dc2fde4b4457682a55424d0ef8829a8d43849d5134e4673ed60231fe6711

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
SignatureEDjjRbkWc3g7ihp0rXSf8rFPg85pwKcafNyH6xU9tu0xk9ycAEMPoQyG4nTbkpB7v17qKqQjyGe1LWl9pnAxBA==
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

2026-09-17T09:45:30.834699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090092
observed 4774809f15bf29722fe228f8b861f172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.814030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090092/manifest.json
observed 5191dc2fde4b4457682a55424d0ef882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.796491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090092/publication.md
observed 4e7fce41a24f7548b2e68d5d65549611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:30.776048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090092/publication.txt
observed b98742556f342886b88c0f8a8d227dd6...
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.