OpenTechnical

OT-2026-000103868

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000103868) never changes.

Identity and time

Publication numberOT-2026-000103868 · never reused
Internal UUID01a0aea5-15e7-7fda-ba1e-77f64a99b5c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103868
StatusPUBLIC

Content hashes

Canonical text84ddd62a5a2433f253c585e3fbe5439dee06287dab8111c05f743ca8ff87d38b
Markdown3d02375fb2c4bd19a94c189947cd98203874ba0c06f03111c0b520512ab6a758
PDF
Publication pagef409d43025333c3bdeb2808c329b189243df4f028f5c7773e53145b97ebc8a97
Manifest1436f8fa2cce74d48accc59f320f71fa9949e1efee5f2c356acc79e6c35ad749

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
Signature0vsFYVTxH67fuUBwzGYeq+toMmh1dv9rvIW2uun+m4YI8zSqGUKwV6ydaSTCxA4SRHha0GsJCKSKiJ2ADi6JBg==
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

2026-09-17T09:21:51.073940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103868
observed f409d43025333c3bdeb2808c329b1892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:51.056542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103868/manifest.json
observed 1436f8fa2cce74d48accc59f320f71fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:51.038807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103868/publication.md
observed 3d02375fb2c4bd19a94c189947cd9820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:51.021295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103868/publication.txt
observed 84ddd62a5a2433f253c585e3fbe5439d...
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.