OpenTechnical

OT-2026-000078564

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-2026-000078564) never changes.

Identity and time

Publication numberOT-2026-000078564 · never reused
Internal UUID01a0ae95-7c29-7640-9329-5e3729b3c0bc · 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-2026-000078564
StatusPUBLIC

Content hashes

Canonical text8e023543f1c876548ccac5575b8b2ea7039e2f72dd3b04a80f29eb1cbe8772b4
Markdown93e771daad2ed4061d67a87fcab9da27af77b3483001b259d4c7d599a0b07770
PDF
Publication pageda31783bfd3a1eef307c6778402c334d10ae04f8738a82115dc33331f0bdb0f1
Manifest339ca4d26117a14128d78d12cc378fa72feb8a01d1ccdd8b6ab50c0b17f85a78

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
Signature/IaeRNMW5nwpITrtEz3hJYpFWVJXYgwbWveRJOO0J3Pvj75PZqapThPo7nqMh1PfaQn2sQ6E9AhUXovYuoP8Dw==
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

2026-09-17T10:06:35.233808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078564
observed da31783bfd3a1eef307c6778402c334d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.209941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078564/manifest.json
observed 339ca4d26117a14128d78d12cc378fa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.188667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078564/publication.md
observed 93e771daad2ed4061d67a87fcab9da27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.168268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078564/publication.txt
observed 8e023543f1c876548ccac5575b8b2ea7...
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.