OpenTechnical

OT-2026-000055123

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000055123) never changes.

Identity and time

Publication numberOT-2026-000055123 · never reused
Internal UUID01a0ae86-5e82-73ae-ad6e-a146a105f96a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055123
StatusPUBLIC

Content hashes

Canonical textcfe57ba05442ec53d5a87a53223769cbc566e96fad4a41af15ff24280ac12421
Markdownd0184e6c1f4cf06e3fbf8c12202d6860dbb7730cfbf60696870935fa4a2a09f8
PDF
Publication page8f2a5c4747c9523348dc86fb6495db52fec8c2197ea841ad34d27a3d09491a72
Manifestbc33ce58c59ceb7eeecd89e716726502f2bc8123579fefb803710e80a67d2ab8

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
SignaturemAJNSxd5CM2XDgOPm4mArDgtSkOf4YzT5+MGztlGwD+ZLoVHuqQGWqIVQYTYSKpodk0/llus/M0cbNkCt2IJCw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:17.497879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055123
observed 8f2a5c4747c9523348dc86fb6495db52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:17.477717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055123/manifest.json
observed bc33ce58c59ceb7eeecd89e716726502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:17.457656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055123/publication.md
observed d0184e6c1f4cf06e3fbf8c12202d6860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:17.437788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055123/publication.txt
observed cfe57ba05442ec53d5a87a53223769cb...
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.