OpenTechnical

OT-2026-000063280

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000063280) never changes.

Identity and time

Publication numberOT-2026-000063280 · never reused
Internal UUID01a0ae8c-94ab-77ce-9a43-35764bf5fb58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063280
StatusPUBLIC

Content hashes

Canonical text64039620664347f790a9a4a4d7cbe7d03a1e52db2ab7e6964ff410f79317dc6b
Markdown757ac43490e446135609857e80f5fa12a36e9b5ac954f33307f5de629c9eec62
PDF
Publication pagef2875435a64f2bc186d8868e3a23a3497c3064063ba31cbdb1a3d7c2275f728e
Manifest103d5ccd28b079ba6645de4f8cc771e95f2bf17cc2e1d9332c9b809fc8201e14

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
SignatureVpWZ+Jfm/C6qjmHdLiluML61sCDP0nitiKpKOzrvF1YGb74A2MS5AZEAxyziBrp02TFhI5BA2j5fxq5J8lhzBg==
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

2026-09-17T10:39:10.338042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063280
observed f2875435a64f2bc186d8868e3a23a349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:10.321610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063280/manifest.json
observed 103d5ccd28b079ba6645de4f8cc771e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:10.305141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063280/publication.md
observed 757ac43490e446135609857e80f5fa12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:10.288799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063280/publication.txt
observed 64039620664347f790a9a4a4d7cbe7d0...
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.