OpenTechnical

OT-2026-000074475

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000074475) never changes.

Identity and time

Publication numberOT-2026-000074475 · never reused
Internal UUID01a0ae93-717a-7386-8897-0dc906b8ad32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074475
StatusPUBLIC

Content hashes

Canonical text35c56d9b6534dc1b7644626f5c29a7f33e2de195165764b4b4b7112c196965ef
Markdown850aafed6633cfd328ed1803ae2427b3528c1a3e330e7be95eacdb6be800b197
PDF
Publication page43b6ce1f296c89935dc4f69ae7810c845e47f20f8780635a248b410f8aaa9e77
Manifest29afa82c1a7714e54362f2080a59ca3ea2d2b2e276fe42d7d62ecdb56ae9445f

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
SignatureZQvEB/BEU6q9Ro371uuEqggw8m9FTaOzDJ2q4BjRKA6rNmtStlqegKeWrtfH3whYx4MLz12C+4r6e7NtHhzTCw==
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

2026-09-17T10:19:26.277588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074475
observed 43b6ce1f296c89935dc4f69ae7810c84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.258153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074475/manifest.json
observed 29afa82c1a7714e54362f2080a59ca3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.237684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074475/publication.md
observed 850aafed6633cfd328ed1803ae2427b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.217939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074475/publication.txt
observed 35c56d9b6534dc1b7644626f5c29a7f3...
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.