OpenTechnical

OT-2026-000063520

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000063520) never changes.

Identity and time

Publication numberOT-2026-000063520 · never reused
Internal UUID01a0ae8c-f945-73f1-8760-ee10277f1308 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063520
StatusPUBLIC

Content hashes

Canonical textee639dd0380fa4ac8c2145fc1aa640d9f3ba4a701fffdce5729b8474dee1ec5e
Markdown9877cde28bb63b8f87387587063f42bf5418c52203b26a973cbf4a420cb58823
PDF
Publication page52efda440c816e8716266e96d20082aaf9d9018fbbbcb3e6f24cf4ec7488e7ab
Manifest2dc554e231ed4352da6df31043cb85fa21e67a89dac9501b60cde4c0059338ab

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
SignatureHidXoJTiMHRSaM9cD7hYczEdXBI3h1qoAp8+EjobfYFIBdoR9RKrKMC1bIxzxiiMxUgVxhbdYb1S+hUMSgv8AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:30.457845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063520
observed 52efda440c816e8716266e96d20082aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:30.437548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063520/manifest.json
observed 2dc554e231ed4352da6df31043cb85fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:30.419104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063520/publication.md
observed 9877cde28bb63b8f87387587063f42bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:30.401475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063520/publication.txt
observed ee639dd0380fa4ac8c2145fc1aa640d9...
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.