OpenTechnical

OT-2026-000073202

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000073202) never changes.

Identity and time

Publication numberOT-2026-000073202 · never reused
Internal UUID01a0ae92-efb6-7319-a867-c84096f2dff6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073202
StatusPUBLIC

Content hashes

Canonical text5b36c5a8781894e1405ae9ee5c1ea07bfc29e0d664071fe665680d2819bb4eb6
Markdown4d3cc8cb90cf85f23604a73843822d8ac1ef05e9c3aba6a05dddb1ac4a52dfe3
PDF
Publication page6b531da1b513dec46227a15f80fd4eece565b77e588319d9ef873a9f2324a716
Manifestf66ae85e2e2ee72ac661644f304b468424c11d2a9e92c505be0b26e8b7ac9308

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
SignaturestD74IZzei2htDDZRX9GaM7qEZXR7QRl4BYvaQ0ziIK/9m8xje48vJEbaSXbL2QcNEN0CVybFh7QghPUgl+6DQ==
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

2026-09-17T10:21:09.951590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073202
observed 6b531da1b513dec46227a15f80fd4eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:09.931985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073202/manifest.json
observed f66ae85e2e2ee72ac661644f304b4684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:09.910988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073202/publication.md
observed 4d3cc8cb90cf85f23604a73843822d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:09.889990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073202/publication.txt
observed 5b36c5a8781894e1405ae9ee5c1ea07b...
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.