OpenTechnical

OT-2026-000072101

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, supply line 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-2026-000072101) never changes.

Identity and time

Publication numberOT-2026-000072101 · never reused
Internal UUID01a0ae92-47c1-7c31-9da7-28fce3aa227c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072101
StatusPUBLIC

Content hashes

Canonical text97a7bb7cdf7e0a9f8a8da1edfa12c01345b269851d0f1a3123c34c6b333c8549
Markdown7b6ad6746c20d77c26f9862fc74a9d22a12450f5bb415b021e5c8bd522cc6bc9
PDF
Publication pagebd410753c0686efefe359207d62c0f992bf4cc8dca9e72bc417daeb3356bb5ba
Manifest7803509cba0938e9d951671adf083dccadc384244d757748109050e8f7d165e0

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
SignaturenRBwk9XzabXoxXmXXTQDcb4jsY3WuCf0gM9N9t8OG/BOJpN/0CYuIcnoT++G9jiapdrY7zSKtSkC3uydVEAmCg==
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

2026-09-17T10:23:10.716993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072101
observed bd410753c0686efefe359207d62c0f99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.700170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072101/manifest.json
observed 7803509cba0938e9d951671adf083dcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.681989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072101/publication.md
observed 7b6ad6746c20d77c26f9862fc74a9d22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.661931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072101/publication.txt
observed 97a7bb7cdf7e0a9f8a8da1edfa12c013...
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.