OpenTechnical

OT-2026-000049622

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000049622) never changes.

Identity and time

Publication numberOT-2026-000049622 · never reused
Internal UUID01a0ae81-8fed-7cc9-8be1-26edcd3be859 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049622
StatusPUBLIC

Content hashes

Canonical textc77ea546e8ff61f3fc62817800a37441834626eac2630c9eaa2a554ccdf809ef
Markdowndd3d7103457f2eca2ab889101a4a7b04d21b4a0ebc358d0097fed523c57831d7
PDF
Publication pagefbe6cfa0a397e291325760665c5cfe02a8574257cfe3d42aae01eef2c9bc3e25
Manifest90a944dffcd6a665837a24dea30fab6865b456b3cecf62edf9f6be5badc02cc9

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
Signature2R9jmRWtyIwmn+XMl4Cf0ADV6pLX2bowIp0HUIoeYexcKvJuRCwVkh9738uF/dgxoztH3waPsJjU1IkBk0qlDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:36.636329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049622
observed fbe6cfa0a397e291325760665c5cfe02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:36.617491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049622/manifest.json
observed 90a944dffcd6a665837a24dea30fab68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:36.598478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049622/publication.md
observed dd3d7103457f2eca2ab889101a4a7b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:36.580165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049622/publication.txt
observed c77ea546e8ff61f3fc62817800a37441...
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.