OpenTechnical

OT-2026-000088874

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line 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-2026-000088874) never changes.

Identity and time

Publication numberOT-2026-000088874 · never reused
Internal UUID01a0ae9b-8f11-7f18-a4e2-e278e6405b04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088874
StatusPUBLIC

Content hashes

Canonical text6457e6794e954f9e2e14e4b3bddc82fb9d56a53e61dc69e1c6a1d3f5139ff5a1
Markdownbbf8603bed583552d2a88bca3cfe16a677e30f0ad088f031016407f5fa90ef84
PDF
Publication pageef48d28aae30b18bcebb2e969da59be32faa9b0bb255079a9d6b5161f421f07a
Manifest23c811e7fba26a4a1fcc8a6659057bb3ae83b9b78ad15fdd20fa6db09cde98b2

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
Signaturem+1h1XqrtdP9zfrJID9bb4StPA2IIthlWimng9TBaeeHj2ju6QfHwKfFEuI8+bzhRH2/ng+Y8OdNHP1ldWJrCg==
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

2026-09-17T09:48:16.310296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088874
observed ef48d28aae30b18bcebb2e969da59be3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.293415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088874/manifest.json
observed 23c811e7fba26a4a1fcc8a6659057bb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.275405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088874/publication.md
observed bbf8603bed583552d2a88bca3cfe16a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.258600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088874/publication.txt
observed 6457e6794e954f9e2e14e4b3bddc82fb...
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.