OpenTechnical

OT-2026-000006912

Publication integrity record

Porous face vacuum gripper, two outlet manifold, pump fed, vented after set down, open cell

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-2026-000006912) never changes.

Identity and time

Publication numberOT-2026-000006912 · never reused
Internal UUID01a0a96c-1173-7c83-8ee9-fe756bb7d2fb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:53:46.997742Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006912
StatusPUBLIC

Content hashes

Canonical textfe8b636d2789ca5bc25a342b19e4ee9b639e17b7b68abaf21960c4516ff125b7
Markdown8fb1bdbad2982d8a29799c01293e7118d2a2a51af913b021a6ff27fa62ca76ba
PDF
Publication pagecb42581e51a3adcbe180063c219afbe50cbfb8d93409d8ef811883d03cb42f2b
Manifest2fcd9f25fc9e1b786d58a8e17ac3d97d329664cd01ea82ea16409ec4d46c20c2

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
SignatureXQbXsOlExtVU8WNxT7Gk9NAg83PVt3j2WPfIxrohFuwPtTYUU6RjpyTjkcmrGCATJGINImIXQ9XM+Y3EO7P/Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:22.744472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006912
observed cb42581e51a3adcbe180063c219afbe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.732010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006912/manifest.json
observed 2fcd9f25fc9e1b786d58a8e17ac3d97d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.718015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006912/publication.md
observed 8fb1bdbad2982d8a29799c01293e7118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.705101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006912/publication.txt
observed fe8b636d2789ca5bc25a342b19e4ee9b...
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.