OpenTechnical

OT-2026-000085222

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, sustained blow-off before 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-2026-000085222) never changes.

Identity and time

Publication numberOT-2026-000085222 · never reused
Internal UUID01a0ae99-43ba-76bd-b3b5-3cb0b677897c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085222
StatusPUBLIC

Content hashes

Canonical text74c2d82c63daa58c81ca34f74649a5781bcb58e98f8e30bc03fd4f16b0382eec
Markdownb55b88fb6d3c0d6211be41ea2eb3ee7cac2e7f0a0f31cc7cb723c89e73b7760e
PDF
Publication page56649c983e6b04a3c85d7a60e7ea938b0852a886b50dbce7da0b4bc7bfdb8dc8
Manifestc21204849be94285069277a259a033a1a4b1440ba1347e0706b235273e0ebb47

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
SignatureeGM1nUx/LeLuvo+WrJCI4doWlSc1KXtMTSTQL9d6M61QXopsagv4zQKovJvH1+YqPXYyhFCRbvAyN0XTfoidAA==
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

2026-09-17T09:55:18.648786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085222
observed 56649c983e6b04a3c85d7a60e7ea938b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.632776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085222/manifest.json
observed c21204849be94285069277a259a033a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.614066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085222/publication.md
observed b55b88fb6d3c0d6211be41ea2eb3ee7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:18.596671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085222/publication.txt
observed 74c2d82c63daa58c81ca34f74649a578...
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.