OpenTechnical

OT-2026-000075268

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000075268) never changes.

Identity and time

Publication numberOT-2026-000075268 · never reused
Internal UUID01a0ae93-f200-7a8f-9975-0cdd4a49ff88 · 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-2026-000075268
StatusPUBLIC

Content hashes

Canonical textca10bb7c5d552124b0858146a17b75a114f333a637f5860f2d7d839f39354450
Markdown27c1b9b109457e7dd633133138d7cb5d47d7d95532851ea5454d394891109a62
PDF
Publication page8d2859e54bcb9ea2ec6a67a1fac3d637d3ef224730e56939d480dbb3986ad365
Manifest5ee8a3dd5d81cdedb925edf86968ad0a8fb189503c09b58bf70899389ad40da0

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
Signaturew9nI1KXqXFgiBU6SOukIt0N8XARlk97PRi8hNhOuO4fHaFm5Y7PdrjTFJGi2cg1z77O2MQvFh8fuz8tR4ZypCw==
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

2026-09-17T10:20:36.262441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075268
observed 8d2859e54bcb9ea2ec6a67a1fac3d637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:36.245299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075268/manifest.json
observed 5ee8a3dd5d81cdedb925edf86968ad0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:36.226121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075268/publication.md
observed 27c1b9b109457e7dd633133138d7cb5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:36.206321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075268/publication.txt
observed ca10bb7c5d552124b0858146a17b75a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:56.553871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075268
observed 8d2859e54bcb9ea2ec6a67a1fac3d637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:56.534971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075268/manifest.json
observed 5ee8a3dd5d81cdedb925edf86968ad0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:56.515332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075268/publication.md
observed 27c1b9b109457e7dd633133138d7cb5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:56.495982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075268/publication.txt
observed ca10bb7c5d552124b0858146a17b75a1...
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.