OpenTechnical

OT-2026-000102201

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pulsed blow-off after set-down, on a tool changer

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-2026-000102201) never changes.

Identity and time

Publication numberOT-2026-000102201 · never reused
Internal UUID01a0aea4-50f3-7d1f-a080-30554771de2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102201
StatusPUBLIC

Content hashes

Canonical text3949d4a69e81b3d49c7b067917044e132dfda22371c754428f940aedbe5f7880
Markdown615cffec56f60e781b9ae52fce896b62c85dd5ea0c0eed77d9c0f30a3f15ae50
PDF
Publication page27195ca31f6417f6276c0524498306176c1362dd40ec9b3d98c3e3ff7654e02d
Manifestb4d0e38cfc21ce8e1ebb5e1be8755b33b7b353f764d56ff870e7420532873fe9

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
Signature3CWjHUop4LbSghcqnfVW/U43iYhWwTJ/r6xHyg5OCcRuhFD1x3gAf1wPAz2F/eG2asTL9p/PkEw2slaYlMdWCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:22.459423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102201
observed 27195ca31f6417f6276c052449830617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.442399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102201/manifest.json
observed b4d0e38cfc21ce8e1ebb5e1be8755b33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.425016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102201/publication.md
observed 615cffec56f60e781b9ae52fce896b62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.405900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102201/publication.txt
observed 3949d4a69e81b3d49c7b067917044e13...
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.