OpenTechnical

OT-2026-000100243

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000100243) never changes.

Identity and time

Publication numberOT-2026-000100243 · never reused
Internal UUID01a0aea3-3053-7b7e-be8b-f7da0aec0fba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100243
StatusPUBLIC

Content hashes

Canonical textc890fa4fd715025eac00c9292648a27af365790f7b0c4e2b424e93060dcc6257
Markdownd22771523fb08e17f87830864c262089e7f89ad7295d66c90b8f490f011340d8
PDF
Publication page7a2aa9ce40afca31f72b65d779cff2c27adf5a069e641b9a0b67b74e3383b4e8
Manifestddfd534b140d892332399cf3b049a400b30cc4a89e930136fd8493eec2f2699a

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
SignatureI0twREA/1dE2ThEdBdbBSayJLa+m3yLKRIkT64oydPYQ32tfdUvNNa8AygBfaN5DOOxZ637+6hetuueDaxPRCA==
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

2026-09-17T09:28:02.596777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100243
observed 7a2aa9ce40afca31f72b65d779cff2c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.577692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100243/manifest.json
observed ddfd534b140d892332399cf3b049a400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.559242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100243/publication.md
observed d22771523fb08e17f87830864c262089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.541845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100243/publication.txt
observed c890fa4fd715025eac00c9292648a27a...
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.