OpenTechnical

OT-2026-000027737

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000027737) never changes.

Identity and time

Publication numberOT-2026-000027737 · never reused
Internal UUID01a0ae72-699a-7739-ab8f-b65011a24f5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027737
StatusPUBLIC

Content hashes

Canonical textef383ffaf444acb52d71b6c3bf5bee6d8b363a062503282185c4ee5a3d64ff20
Markdown07da9d5bc5a662dede8526f2526a0ee5b30ba06431ab41d3193a37c8a57a474f
PDF
Publication page681bcb2e4c0397eedf3175c9a3945a7a31d05b74438050339714ab1d653d64a5
Manifest2e72fc5d1e36280aa565b67c35dadf0a7aeee737c32c56ff30da68eb8d3cb9d7

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
SignatureJGHI8uYV2fFrD/fTC0nNHaVspYAHSkPUOHho336Aawert0U3OgU7TvrYDtZSqb9/X7WGFNXOppqRql8GO9yACw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:17.796902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027737
observed 681bcb2e4c0397eedf3175c9a3945a7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.781174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027737/manifest.json
observed 2e72fc5d1e36280aa565b67c35dadf0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.764591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027737/publication.md
observed 07da9d5bc5a662dede8526f2526a0ee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.743682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027737/publication.txt
observed ef383ffaf444acb52d71b6c3bf5bee6d...
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.