OpenTechnical

OT-2026-000055635

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000055635) never changes.

Identity and time

Publication numberOT-2026-000055635 · never reused
Internal UUID01a0ae86-a103-7f26-b7c1-062d251df44b · 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-2026-000055635
StatusPUBLIC

Content hashes

Canonical textef87aebfe02a324b43b1673f76f8265a2539009731e89d17498cead64028a560
Markdownc536038d25dad2b0b5a11a239a2d0dc62cebedea773a8aa7b01fd6327a7d0f96
PDF
Publication page267a8f61ad318f1f090cab32f37da0e4c752ce4f6ed7fa85e66120eac4fb3838
Manifest3cc2559c5215bfe54f2bdf660b5875c6b8ed346e2149b699461e6150c0cad4f7

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
SignatureWyFjOtvefqMM6S42XjiRZnUJ3AHbWwhx5GE01ET1wFhFoNomfR301nv8RR/N6JlHkZhX0t6Ss9icYFh3UsjXAg==
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

2026-09-17T10:52:53.274034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055635
observed 267a8f61ad318f1f090cab32f37da0e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.254968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055635/manifest.json
observed 3cc2559c5215bfe54f2bdf660b5875c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.235120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055635/publication.md
observed c536038d25dad2b0b5a11a239a2d0dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.215218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055635/publication.txt
observed ef87aebfe02a324b43b1673f76f8265a...
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.