OpenTechnical

OT-2026-000022272

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000022272) never changes.

Identity and time

Publication numberOT-2026-000022272 · never reused
Internal UUID01a0ae6f-f4fc-7d1b-8f62-628f569236ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022272
StatusPUBLIC

Content hashes

Canonical texte91da9d839c1f5bcb16fa2165af1b39ce54d11f17b6b5e5a4f60304b0123d1c2
Markdown8360a2314993fa44756a1a21ac6c9f4993e6b70bdf052f4ea120177f8f08e61d
PDF
Publication page5c806c27fe1297bb6da4671bc6f78f2a2e2a4565417652bcae7c79675fb9cd0f
Manifest87f5e97945a1b6565a3f90b5caacdf6c18aa396c673580d5c9660ff94f3aad47

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
Signatureg+tRHpq4AFbQudwkfX7nHCzLwwfV/5hp0+TVpPozCdWKCoQtS8jLPtaFoQgfUggYcgvF54GR4plsHnDVgK4mDg==
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

2026-09-17T11:53:04.291736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022272
observed 5c806c27fe1297bb6da4671bc6f78f2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.271188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022272/manifest.json
observed 87f5e97945a1b6565a3f90b5caacdf6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.253816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022272/publication.md
observed 8360a2314993fa44756a1a21ac6c9f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.234585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022272/publication.txt
observed e91da9d839c1f5bcb16fa2165af1b39c...
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.