OpenTechnical

OT-2026-000055195

Publication integrity record

Two 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-2026-000055195) never changes.

Identity and time

Publication numberOT-2026-000055195 · never reused
Internal UUID01a0ae86-a0fe-7148-91b8-3b271f895c94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055195
StatusPUBLIC

Content hashes

Canonical textd675620c4f2906400469d14b1ec36c24e05e61c929bd02d118fc363e3607d4ec
Markdown68743fc5a178577f9aa12943a274be6c9ffa44c646fc69f26d51d03d458a7532
PDF
Publication page51ad570f4ff9fd9bbaeef0d1223c007c72fec0d4f34580a9df298e90eced350a
Manifest64b5d5ab0543b1b17fa2387905d09998e24311876a321d68b0c5098e602d8d73

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
SignaturevJYYS6FtJu167T1nnvVpmqwCNxrcYDXTknfWyi89ETi32chHQuDUiZLCKuOHqA5xdCISDkILrPnpiwvSXO3HBA==
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

2026-09-17T10:51:46.131821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055195
observed 51ad570f4ff9fd9bbaeef0d1223c007c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.115378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055195/manifest.json
observed 64b5d5ab0543b1b17fa2387905d09998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.096963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055195/publication.md
observed 68743fc5a178577f9aa12943a274be6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.080193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055195/publication.txt
observed d675620c4f2906400469d14b1ec36c24...
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.