OpenTechnical

OT-2026-000066680

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000066680) never changes.

Identity and time

Publication numberOT-2026-000066680 · never reused
Internal UUID01a0ae8e-ce42-7cf9-8afd-fe77825b110d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066680
StatusPUBLIC

Content hashes

Canonical text80076130fe1c1b808fdfde5e9f836ee4ef975ee253e570a31195c9d2c34cd40c
Markdowne9b1d6a018e659158236b83004afde4866efff3fd9dfa3c67d021f9495384cc2
PDF
Publication page59ee9993e36e1838ad853a0d7188917592ab9fff786135b898d26aaa58b7b0d8
Manifest48087c9e9825b5b3c0bee60e05796c111c009a2682f79529912971eb0921b417

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
SignatureoMJ81B9fHWdWqNx/hfMFkLNs8aIVvCH9+IRHpFF3Sgaa8mnOLcj2w+ZNhqcv/WS6K4HYoCZoG4wG/MHj+BPNCg==
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

2026-09-17T10:33:04.588066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066680
observed 59ee9993e36e1838ad853a0d71889175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:04.567781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066680/manifest.json
observed 48087c9e9825b5b3c0bee60e05796c11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:04.549858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066680/publication.md
observed e9b1d6a018e659158236b83004afde48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:04.531035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066680/publication.txt
observed 80076130fe1c1b808fdfde5e9f836ee4...
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.