OpenTechnical

OT-2026-000072090

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000072090) never changes.

Identity and time

Publication numberOT-2026-000072090 · never reused
Internal UUID01a0ae92-47c1-7e3c-8095-3688b729bc51 · 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-2026-000072090
StatusPUBLIC

Content hashes

Canonical textf9c00c8db7516ef95c701b2a1940ccf3dfdd0f3e5d2818b0a7c27b1be9ff94e5
Markdownb858bab1a97a52bf1d914eb912fba14a77c89193772bc1f520f44dad74ddc3a4
PDF
Publication page1551643e9c4a8065faf7912ceff07d46bb33d7dfea05772f8d7d9b3075f9d95b
Manifestc445baab4e4bd049620098a0139a1875cf50581c23787f409c385ac193f952ae

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
SignatureYYUNu0g2lLLNQPF2hHOB1uDRsNagqk+sMwjuso7xXZVxRU2jPE8NZIB1UfdJ9bmzhPLueebhq4QmOqHFfqTgDA==
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

2026-09-17T10:23:10.199782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072090
observed 1551643e9c4a8065faf7912ceff07d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.182257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072090/manifest.json
observed c445baab4e4bd049620098a0139a1875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.165579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072090/publication.md
observed b858bab1a97a52bf1d914eb912fba14a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.148310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072090/publication.txt
observed f9c00c8db7516ef95c701b2a1940ccf3...
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.