OpenTechnical

OT-2026-000051580

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000051580) never changes.

Identity and time

Publication numberOT-2026-000051580 · never reused
Internal UUID01a0ae83-7c81-71ba-8750-33af9a8ce3e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051580
StatusPUBLIC

Content hashes

Canonical text41948b4c1adfc7eeb47d6311da9050eebb57080a8620483595212e2d4625b413
Markdownd984ecc002fd159cffb6433466888bc15fa6b68b13525abf61195753e0f9b8fc
PDF
Publication page02174bba00c44257a85e6e3b2363907c7e7eab8a6d75f53b4a19cb0ac6a0d847
Manifesta8266387ba446507bc14f6ab178388436fabdf6b79542c6aebe06b55b811c7f8

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
Signaturezp2EzvHhfLHfvuGsmM8xC75LQ2NIHTSoU06e2HYPZGdJvm2A6AJLxwJrbP2Ucy8pIj3cHYY82+vUUWeLsDOeCA==
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

2026-09-17T10:58:25.383708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051580
observed 02174bba00c44257a85e6e3b2363907c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:25.365901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051580/manifest.json
observed a8266387ba446507bc14f6ab17838843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:25.347036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051580/publication.md
observed d984ecc002fd159cffb6433466888bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:25.328410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051580/publication.txt
observed 41948b4c1adfc7eeb47d6311da9050ee...
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.