OpenTechnical

OT-2026-000077810

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000077810) never changes.

Identity and time

Publication numberOT-2026-000077810 · never reused
Internal UUID01a0ae95-2ed0-702f-ad6b-e6240d8cce9e · 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-2026-000077810
StatusPUBLIC

Content hashes

Canonical textf7dd3944a28ec71905a35c2bbf90de9ea76e782599d272597cb1f69848805d36
Markdowne9c1d86537491ffdc601adf9ba9e952184eefd1fa6834dc0e35e5a0734477ac8
PDF
Publication page0aa73373a4cd778f0b068e7b67f2f154b2e7843661901e138bfba40d5fa90fd2
Manifestb9d5ebb1cf3c227405eda9f9208337d5eb6fcfa9117578a0a428f92b204f70b5

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
SignatureGtST+zduVinPnQPm4BRiCv3twbLNG5bWI/KgkyAbeNxAhofS8/HIzzYcOBxqolVVvVEBgTjhZt/H+iMo8cTlCg==
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

2026-09-17T10:07:24.146548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077810
observed 0aa73373a4cd778f0b068e7b67f2f154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:24.127750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077810/manifest.json
observed b9d5ebb1cf3c227405eda9f9208337d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:24.107840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077810/publication.md
observed e9c1d86537491ffdc601adf9ba9e9521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:24.089741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077810/publication.txt
observed f7dd3944a28ec71905a35c2bbf90de9e...
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.