OpenTechnical

OT-2026-000077644

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000077644) never changes.

Identity and time

Publication numberOT-2026-000077644 · never reused
Internal UUID01a0ae95-2ecf-7ad8-8a22-79cb7c3e121a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077644
StatusPUBLIC

Content hashes

Canonical textbe17621d27d81f278a14338f88d45349cd89607dd24fa9826a1d6b04c428349a
Markdown3430c870317edd4cd84767c634f240c617281e2c87e5219e0d0fb20efe96e5d6
PDF
Publication page448440c62704e8154156b6165ab5736f9a78dfb0bd1df2060975a45de68c8960
Manifest5db285303cb045ee4f5111d180b37d272fc5718e7297ba2ae6f5374a5202b41d

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
SignatureTGnJKe02XWH5ZzUGgycwX8n/2FLuk7LJhTECsdt5jD9daqMumV9ceOn0j8BLLva3v4YciRXxyxs5Z1s74HHMBQ==
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

2026-09-17T10:07:12.611692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077644
observed 448440c62704e8154156b6165ab5736f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:12.593234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077644/manifest.json
observed 5db285303cb045ee4f5111d180b37d27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:12.574426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077644/publication.md
observed 3430c870317edd4cd84767c634f240c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:12.555407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077644/publication.txt
observed be17621d27d81f278a14338f88d45349...
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.