OpenTechnical

OT-2026-000075538

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000075538) never changes.

Identity and time

Publication numberOT-2026-000075538 · never reused
Internal UUID01a0ae93-f202-7d32-aa5a-f91ae41d07a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075538
StatusPUBLIC

Content hashes

Canonical text99941912b579e17103679bdfba3a1208eec1acb9680084c4035ae987a0c8b728
Markdown073baa98971ca3792614519e783a8c48d642d79132a914ce511ff891ca7f35c7
PDF
Publication page7ab937eec35b39c1eec2e89519cca877e2c45d2a51f3ec7dff581887761b00d9
Manifestae3ee4bef5014c9bccce4f833b8ae333bad84e6856efdc213d781661950258ee

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
Signature9IVaDRSClWCojZSrrmNT1eKC3hVtUQ4OiIrHNs/lMb6dFkdyG2BEu0lIps4kCOlSgzZ7BnQGiv4MRWnIeFncDg==
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

2026-09-17T10:18:02.527021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075538
observed 7ab937eec35b39c1eec2e89519cca877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:02.505817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075538/manifest.json
observed ae3ee4bef5014c9bccce4f833b8ae333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:02.487373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075538/publication.md
observed 073baa98971ca3792614519e783a8c48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:02.468766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075538/publication.txt
observed 99941912b579e17103679bdfba3a1208...
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.