OpenTechnical

OT-2026-000037522

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000037522) never changes.

Identity and time

Publication numberOT-2026-000037522 · never reused
Internal UUID01a0ae77-b8ce-75c9-a014-630becf3ddfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037522
StatusPUBLIC

Content hashes

Canonical text40f9bcfc3bdb10b36219a968b0e2562eb2a1baa9d19e33dd9651741b9b8c543b
Markdown04981c0d1ffd872680b1650054276b1f3701b277b7d4c644445b6211d0608b1e
PDF
Publication page4dae375ef055e60ce241c4c47f348927bfc81feedae2a2a74feff1d5b38cf40f
Manifestfc0a40f7811a7467b6f251154deb40f9a095aa01d99ed08d2b1177a74b1a3270

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
Signature0Psblpt1aPI8tC/jlYbEPVeYslBQBB3NlOu0DKRSuLZFbUynYk3QRl4uqyMcy+z2v7wXVyWQB6m76GV/U28rDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:24:03.265135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037522
observed 4dae375ef055e60ce241c4c47f348927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:03.246337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037522/manifest.json
observed fc0a40f7811a7467b6f251154deb40f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:03.227835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037522/publication.md
observed 04981c0d1ffd872680b1650054276b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:03.210435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037522/publication.txt
observed 40f9bcfc3bdb10b36219a968b0e2562e...
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.