OpenTechnical

OT-2026-000012416

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000012416) never changes.

Identity and time

Publication numberOT-2026-000012416 · never reused
Internal UUID01a0ae6d-39f6-7351-902a-05f41e67c256 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012416
StatusPUBLIC

Content hashes

Canonical text816de2020db1cb1e157b20ba734bddef236509d9b6f0316b4b67540b2046cade
Markdown01da7e3c93497ad1721d709fad1d00df2f65691bca82f188a882690d1e866ebc
PDF
Publication pagea85be3e82137391814eb5b040f058afbb23acbd242bb57e40a16cfec7b2adbf7
Manifest2aacc3efe6f3ebc8211d929b330b2d95d02bf8592afdf805ed775a830c3f8ccd

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
SignatureuXdvl4cwn/ydEnarDPvsOdG1fuogZ3yF5dVoiAPwojOIdiseflZGlZRpLL5KSyEP+wn8/cNJCKF+rR5wsKQCCA==
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

2026-09-17T12:11:54.684830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012416
observed a85be3e82137391814eb5b040f058afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.667767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012416/manifest.json
observed 2aacc3efe6f3ebc8211d929b330b2d95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.650666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012416/publication.md
observed 01da7e3c93497ad1721d709fad1d00df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.632624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012416/publication.txt
observed 816de2020db1cb1e157b20ba734bddef...
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.