OpenTechnical

OT-2026-000077449

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000077449) never changes.

Identity and time

Publication numberOT-2026-000077449 · never reused
Internal UUID01a0ae94-f509-7835-9a49-f6df45f622b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077449
StatusPUBLIC

Content hashes

Canonical textcf1367b48de45edb674a9fae9721e16659b60baecd293dd05cad8640046b7f96
Markdown4b90265a7e36948d31176acb6f45784e4fa60e9174383cc24bb2a9795eb3fc45
PDF
Publication page940e744d13f1518cfdee8b48eabca3684ac1586680ad9ecc9fdbf8d7a96c9fe5
Manifest2e569e476822be01e847e5fdd790e110f2dac22fd1372ac76c2e882274cc5f9f

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
SignatureztnOzE9U0YotwPh/vHdtN6K3TGQxBXJW3CCcx8i0VD3vE51PkrgWWflHHZF+MER1xLeRmQnGGxuyfMEPkjq6CA==
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

2026-09-17T10:09:08.058878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077449
observed 940e744d13f1518cfdee8b48eabca368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:08.040949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077449/manifest.json
observed 2e569e476822be01e847e5fdd790e110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:08.021166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077449/publication.md
observed 4b90265a7e36948d31176acb6f45784e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:08.000031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077449/publication.txt
observed cf1367b48de45edb674a9fae9721e166...
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.