OpenTechnical

OT-2026-000005321

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, ejector fed, pressure verified

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-2026-000005321) never changes.

Identity and time

Publication numberOT-2026-000005321 · never reused
Internal UUID01a0a935-5d77-7da6-b80e-fd90bf590697 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:54:01.978567Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005321
StatusPUBLIC

Content hashes

Canonical textaf779c90473af9b44e5c09b8029f095998d716b8fc9b3ed9fdd41860293c5a68
Markdownff8cd0aca5e35ed987a882afcd9ca72e88ef2cbbd337e17ccf03d81879107d46
PDF
Publication pagef4a21df3843800946e3fe1254f406a9ff97764015740b20953ff7844d957b2ba
Manifestf6a0c79f7016cae32d0be4fecdfe78e0a7baa248087db7857151cfb9d29a18d0

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
SignatureM9K8jDffrA/eFuVaBOgLKBsnWjc0UzMcDs1tP5a7/om/UX1sSVbDwLDC7QU29bBBo+vGCiHMWs5PjHdnQ68iBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:22.908624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005321
observed f4a21df3843800946e3fe1254f406a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:22.894877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005321/manifest.json
observed f6a0c79f7016cae32d0be4fecdfe78e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:22.880915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005321/publication.md
observed ff8cd0aca5e35ed987a882afcd9ca72e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:22.742963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005321/publication.txt
observed af779c90473af9b44e5c09b8029f0959...
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.