OpenTechnical

OT-2026-000078039

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078039) never changes.

Identity and time

Publication numberOT-2026-000078039 · never reused
Internal UUID01a0ae95-2f44-7765-bd89-662c5baf37e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078039
StatusPUBLIC

Content hashes

Canonical text80a80d8771f87ee9678de9dcb2c68c2867c45e79286219ebd241de508168c699
Markdown1bbae660241cbf54f1f8d0d22d09b5b422fe328b19e6243d4c42ff0413b0b502
PDF
Publication pageef4bb265eb088ccb13dd7506f186159af8f63fea3c0cbccf9f38ad94ef1c4801
Manifestfe937d160d2abb2259f2f5ea33e08b8c76eceaead42e806471813a6ed51d25a3

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
SignatureOrNw8KfKf27KOQbxJuVeoLt7F9PafSKsDiNQL6GtY6GClzFZmfy19BU0DA+6BcIPUhfTU3zFSuGFUaxNwgkJCw==
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

2026-09-17T10:07:00.822160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078039
observed ef4bb265eb088ccb13dd7506f186159a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:00.804474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078039/manifest.json
observed fe937d160d2abb2259f2f5ea33e08b8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:00.786939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078039/publication.md
observed 1bbae660241cbf54f1f8d0d22d09b5b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:00.769660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078039/publication.txt
observed 80a80d8771f87ee9678de9dcb2c68c28...
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.