OpenTechnical

OT-2026-000078560

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented after set-down, on a tool changer

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-2026-000078560) never changes.

Identity and time

Publication numberOT-2026-000078560 · never reused
Internal UUID01a0ae95-7c29-70ec-9c09-b5c099015c92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078560
StatusPUBLIC

Content hashes

Canonical text8216db4f06556da7c6959f37bf80d4e17e977339c5f83c41598bb824fb4820ef
Markdown542253c2d0ca957e4ca2def8f8241b8fbe981407a90c087dc6ba24a64773fd59
PDF
Publication pagebc3201b150c7012bcd6a2dabbc7943f442044bff165a81b3941399fbce083605
Manifest80f72d1bd8e16d0e1cba51fa801b3cf7457b0c17e089105623e26c26c8bfd627

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
Signature0Z/tld5Yv9bolactMc4S13rm0CjOPSXYMOovNTRZExJwa2aZlJSRukMTq05MYYvc9px/bmr/Ecs5NYxIR1TLBQ==
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

2026-09-17T10:06:34.986488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078560
observed bc3201b150c7012bcd6a2dabbc7943f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.965377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078560/manifest.json
observed 80f72d1bd8e16d0e1cba51fa801b3cf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.946229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078560/publication.md
observed 542253c2d0ca957e4ca2def8f8241b8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.925173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078560/publication.txt
observed 8216db4f06556da7c6959f37bf80d4e1...
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.