OpenTechnical

OT-2026-000090078

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three 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-2026-000090078) never changes.

Identity and time

Publication numberOT-2026-000090078 · never reused
Internal UUID01a0ae9c-428e-7117-bd17-d67e8dfd2aa9 · 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-2026-000090078
StatusPUBLIC

Content hashes

Canonical text5a7893b6c3574874bccd95e9b6c9c41c9fcb8a80d1744c5945efb4f36e17c0c7
Markdowncde729008b6ece6d0d38e6d83e89716de08364d564aaec382e1441ecfef69fa7
PDF
Publication pagebf1517e666f59e971bfcbe0f0bcc2ff8e67856dbac1982b6c72b7d50d5e8ebcd
Manifest6951d290df05dcd6f6ef6579973f54c9d057aa19ec279563ac3d088c5884a7f6

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
SignaturekVNx9RoGQEvAyzBlNfVxIjNAWrneeNR/13qzCc3HA/79eDwnt39q6Qa0t4LEz7Q5RuE9XN02yPMA22SdSFZNAQ==
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

2026-09-17T09:45:05.262902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090078
observed bf1517e666f59e971bfcbe0f0bcc2ff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.245895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090078/manifest.json
observed 6951d290df05dcd6f6ef6579973f54c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.201257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090078/publication.md
observed cde729008b6ece6d0d38e6d83e89716d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.157827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090078/publication.txt
observed 5a7893b6c3574874bccd95e9b6c9c41c...
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.