OpenTechnical

OT-2026-000073088

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000073088) never changes.

Identity and time

Publication numberOT-2026-000073088 · never reused
Internal UUID01a0ae92-c816-79b3-b784-bfe6d63f8120 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073088
StatusPUBLIC

Content hashes

Canonical text60aa6fd0ba48a0909dd38d977973987341ae7f057f5d75f0989d3037388670bf
Markdownd144bb3d497b85b62409e836e5dae3504ac37334b8c18ec7e52ea0e8ca759b88
PDF
Publication page3097fe9a418a8f0552a5c84f21f933f4abc6964f815e6b6c35990cf183e728b5
Manifesteb776ef8630f4032d6ddc01df27433ce7c4e604c874d53c1099789e611fd2ebc

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
Signature684Pn3eY91LqPJJRdtQcm3NphaaGo6au8F0oTEmneQrDKp4QEj/cnK0cs1rFUnrEtwDN5eF0Ei5FjobsJL8EAw==
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

2026-09-17T10:22:02.460746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073088
observed 3097fe9a418a8f0552a5c84f21f933f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:02.441925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073088/manifest.json
observed eb776ef8630f4032d6ddc01df27433ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:02.422901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073088/publication.md
observed d144bb3d497b85b62409e836e5dae350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:02.406639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073088/publication.txt
observed 60aa6fd0ba48a0909dd38d9779739873...
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.