OpenTechnical

OT-2026-000049106

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000049106) never changes.

Identity and time

Publication numberOT-2026-000049106 · never reused
Internal UUID01a0ae81-134d-7df1-93c2-9fcece9e9487 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049106
StatusPUBLIC

Content hashes

Canonical text79f5f09c70e90a9c2a6354218cf79c2dbde2ed21c7e8ff91573269a3ed77590f
Markdown3b3d576fcf7ec72433f0ed8ebc0faf96bcd841514545b02e7bb273f76e945be9
PDF
Publication pagee901d94a9330c90ee673ddc3fc6e75054776fae2802a83b0d6ebad91a336f780
Manifestc6b7eeb6cd20e8cc987e4a3890a99444246c2a301f1732e351bdf8ec44244702

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
SignatureNac4TsulMUOFAYxdqC2+22IUYHLoCaJS9caofQB8bruR6dPrHq8Vgu+Yw+netu4sCeYPG9n21hEjqLA/+scxCw==
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

2026-09-17T11:03:21.782661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049106
observed e901d94a9330c90ee673ddc3fc6e7505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.763945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049106/manifest.json
observed c6b7eeb6cd20e8cc987e4a3890a99444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.746826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049106/publication.md
observed 3b3d576fcf7ec72433f0ed8ebc0faf96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.727790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049106/publication.txt
observed 79f5f09c70e90a9c2a6354218cf79c2d...
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.