OpenTechnical

OT-2026-000055399

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000055399) never changes.

Identity and time

Publication numberOT-2026-000055399 · never reused
Internal UUID01a0ae86-a101-7082-8a2a-4fb464b92c1c · 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-2026-000055399
StatusPUBLIC

Content hashes

Canonical text6a70bc18abbc779c221656d2b00aa5b9bd72bd65fc283519321f0760736839db
Markdownc48856625fd631aa4cb8e1a5c189f7f45ee782864e93bb36bd9aecacc1cbed80
PDF
Publication pagea7f809e36b3c912197c88a4df4d57f3addefff58f349f8c5b47b885df65d6680
Manifest9a996dd8ad66bdf3880bcba5b5af694ebf86c31cf4ff699c314585c7afb5df0b

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
Signature128C4lQ3NuKaN9fYSvbJa40JWzTsKA82A1SpVH79izbRwfNzX/GG+ZRxefDO7Uj/bbnp/rXdRB/kbLjcbdc9AA==
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

2026-09-17T10:52:02.356966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055399
observed a7f809e36b3c912197c88a4df4d57f3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.339375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055399/manifest.json
observed 9a996dd8ad66bdf3880bcba5b5af694e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.322371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055399/publication.md
observed c48856625fd631aa4cb8e1a5c189f7f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.304366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055399/publication.txt
observed 6a70bc18abbc779c221656d2b00aa5b9...
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.