OpenTechnical

OT-2026-000061420

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061420) never changes.

Identity and time

Publication numberOT-2026-000061420 · never reused
Internal UUID01a0ae8b-7b42-7452-a264-bdb993b2bc61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061420
StatusPUBLIC

Content hashes

Canonical text287d894c03b30796a58666c873e579023ed484bee893e80301ffc45d7741d740
Markdownf99b5c877ccf835dfc429ec2ab6526547cf92ff624d26a1c8c2013b1acca175d
PDF
Publication page2839972fbbb2b2d55cb83e26c9632b5384bf83bfd4d1e3b078be0f7702490150
Manifest45a5d8e3be85c6e00dca6a86117e4b1039409f411d0f6b29423d92e86cbf8bf0

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
Signaturec5V1RWa0x8DhasyqfW5tu9tmd6Nvy1Pwyf7tKWVv0soudv2uY4F3w4lAaxqjtXsItGV4qX180XEezhL73oMLCg==
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...

Independent retrieval

2026-09-17T10:41:17.558991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061420
observed 2839972fbbb2b2d55cb83e26c9632b53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:17.541668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061420/manifest.json
observed 45a5d8e3be85c6e00dca6a86117e4b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:17.523679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061420/publication.md
observed f99b5c877ccf835dfc429ec2ab652654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:17.506437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061420/publication.txt
observed 287d894c03b30796a58666c873e57902...
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.