OpenTechnical

OT-2026-000029546

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, supply line 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-2026-000029546) never changes.

Identity and time

Publication numberOT-2026-000029546 · never reused
Internal UUID01a0ae73-5e21-71e7-91ba-88019e7798aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029546
StatusPUBLIC

Content hashes

Canonical text02acec03aa8ec0f4652578ec89c2d37a4d1d6f15c9a15cb2cfb13d2473e4c471
Markdownb7938eaa48ac6a5176d7329eabde752f0be65c1c22efba07024a3295ae0bef39
PDF
Publication pageab069a75b156c0e4fa6688162a353d428413db9362ce99a87543da05ecdf7458
Manifest82551bfa13f7170cb73f28b82f90d21b8d776d161f2bb530298b12ed3d78f58b

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
SignaturecW/OiSGTSFm//R3n14hKv+kNkoG8X7kE5tGgp0y2yrusL641jXORGAGALT99TgpfS5eNvOAXZ23XIjxcBQ4PDw==
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

2026-09-17T11:39:12.139166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029546
observed ab069a75b156c0e4fa6688162a353d42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.120781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029546/manifest.json
observed 82551bfa13f7170cb73f28b82f90d21b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.103260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029546/publication.md
observed b7938eaa48ac6a5176d7329eabde752f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.085139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029546/publication.txt
observed 02acec03aa8ec0f4652578ec89c2d37a...
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.