OpenTechnical

OT-2026-000090048

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000090048) never changes.

Identity and time

Publication numberOT-2026-000090048 · never reused
Internal UUID01a0ae9c-428e-7f30-b386-e0414511c3c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090048
StatusPUBLIC

Content hashes

Canonical text3cc023205c8629b77217857797c2109920d130ec5da6cbfccea4d01bbcb66222
Markdown7ec50dfb268a00d9435f40e415e7ca98f891601405165c530081c2e291eafb38
PDF
Publication page5efcb4f0444ada06471bc29dc5ea00df18e93d0821c1c2b559c0e67ad127f04f
Manifest515e0eb325b4a2765f0a3f335e84c172f5b6f587aab2e18e322456b0b1d5ee64

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
SignatureDCIhr9h/AkeeNUD59GTDObM65WgaGFpuK/S92agUywP1UBMTthIEEHq+HUNjyTqeglYFpYPASONyq2BiJttdBA==
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

2026-09-17T09:45:27.209530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090048
observed 5efcb4f0444ada06471bc29dc5ea00df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.189755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090048/manifest.json
observed 515e0eb325b4a2765f0a3f335e84c172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.172471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090048/publication.md
observed 7ec50dfb268a00d9435f40e415e7ca98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:27.155382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090048/publication.txt
observed 3cc023205c8629b77217857797c21099...
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.