OpenTechnical

OT-2026-000061890

Publication integrity record

Two pad foam 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-2026-000061890) never changes.

Identity and time

Publication numberOT-2026-000061890 · never reused
Internal UUID01a0ae8b-b8ad-7e0b-b8b1-4a5afb8f95dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061890
StatusPUBLIC

Content hashes

Canonical text9252b7758581563987485e8865a6a741726169b9dfc63dfd9986def4f616188b
Markdowned86a3184ef020ad711a89209e950be97c2027ce77fdfad8e95493afd48527da
PDF
Publication page4a524c998389b82ef763c181fce8512d59b7da1df31688b944ca683631a51ad4
Manifesta2222f42ba2275944a825ff9674f78f7cc96e3e51c7704edc6b1425ad90716d5

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
SignatureglDsBwpfII2WxxThYWgAPQYS7Rpuf5E5pwA0szBJqIGAEKfgyoYgH6+jIcUgBbaR5FIDXc+k/Al/4rskuhgrBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:45.575543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061890
observed 4a524c998389b82ef763c181fce8512d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.553885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061890/manifest.json
observed a2222f42ba2275944a825ff9674f78f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.534633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061890/publication.md
observed ed86a3184ef020ad711a89209e950be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.516403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061890/publication.txt
observed 9252b7758581563987485e8865a6a741...
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.