OpenTechnical

OT-2026-000102904

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000102904) never changes.

Identity and time

Publication numberOT-2026-000102904 · never reused
Internal UUID01a0aea4-be3c-730e-8bc7-c63a7aa34609 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102904
StatusPUBLIC

Content hashes

Canonical text09b3dba1d6546dffa83c3cc4be9e2618ac1286d27bdc90aa4ee8257083382664
Markdown3c5fe2747b8c8c6f8183516e217c96db3c4cc0d8ccaf1376255476213873936f
PDF
Publication pageaa34c1b69ee99a14151b38c7050860994f5e036c1e5e1d2a49804c5e79d1b6ba
Manifest2e6f157db5abc312da8ef3a7428c62061089fc6172999c3af940bd62a2786f95

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
SignatureZ9ERKjWP9Bh8n4dljzV/DTtNsASj2wiW+DN6qTFtXwMwgTzwv2LwS0rUQR6YjQNsK6di4+TA8nt+xafPBM34AA==
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

2026-09-17T09:22:55.081186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102904
observed aa34c1b69ee99a14151b38c705086099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:55.061829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102904/manifest.json
observed 2e6f157db5abc312da8ef3a7428c6206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:55.043550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102904/publication.md
observed 3c5fe2747b8c8c6f8183516e217c96db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:55.024214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102904/publication.txt
observed 09b3dba1d6546dffa83c3cc4be9e2618...
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.