OpenTechnical

OT-2026-000026803

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, pulsed 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-2026-000026803) never changes.

Identity and time

Publication numberOT-2026-000026803 · never reused
Internal UUID01a0ae72-3451-7abd-90ce-2260091c9dc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026803
StatusPUBLIC

Content hashes

Canonical text3532b200cdad7495ae908fd8d24e3284c08a042c934396b9d3b138b0f47dc342
Markdown660df9646f68fa20a9cad4b0177b035a8dd94c0608a120179abff74fafc79103
PDF
Publication pageeded1596b5264ed761e6b89d54ab8a597804a7b27285a9d35a0a8728fe3125d0
Manifestfd4301f8ae0d3494baf0d6ffcb973324ac35536bc4819bad1142b2645b23aad2

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
SignatureqrvMr8YClYxlW417HfTuGD5QE1n65ZVAj8L7VwFZx12mu4MbVJBlcdzER8zAXXkzGca2c+oqOhwO4XCdR3LpCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:22.492191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026803
observed eded1596b5264ed761e6b89d54ab8a59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:22.476494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026803/manifest.json
observed fd4301f8ae0d3494baf0d6ffcb973324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:22.459266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026803/publication.md
observed 660df9646f68fa20a9cad4b0177b035a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:22.443296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026803/publication.txt
observed 3532b200cdad7495ae908fd8d24e3284...
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.