OpenTechnical

OT-2026-000089851

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089851) never changes.

Identity and time

Publication numberOT-2026-000089851 · never reused
Internal UUID01a0ae9c-428d-79a7-9506-629af85fed58 · 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-2026-000089851
StatusPUBLIC

Content hashes

Canonical texte36ea383f3eee649e0812b76563201780a628346a9bfc56073584b3750a864b4
Markdown0b523ac4720a2e66fa5bc2dfc08c5790d7a37b9b18a7bdf019a4dd2d739edc41
PDF
Publication page99ffd69d3d31d4a9724741f3f7d5d15e4b0edd881cd8334e33620b0718bb3b27
Manifestdf53edd52ef26ab01691f306dcea4b443df34eaa825c82c7d3fb1a1eaeaa9ae4

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
SignatureZyHtIvyHmg4ll1gZ7ftEADIhJ5jrR8tzW3UB7C6JHmz9z/ZXDV71h7OqMaga5xjPKF0tMESdi0ue6MsLAXi1CA==
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

2026-09-17T09:45:05.852198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089851
observed 99ffd69d3d31d4a9724741f3f7d5d15e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.832745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089851/manifest.json
observed df53edd52ef26ab01691f306dcea4b44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.813866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089851/publication.md
observed 0b523ac4720a2e66fa5bc2dfc08c5790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.795761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089851/publication.txt
observed e36ea383f3eee649e0812b7656320178...
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.