OpenTechnical

OT-2026-000023111

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000023111) never changes.

Identity and time

Publication numberOT-2026-000023111 · never reused
Internal UUID01a0ae70-7266-73bd-a80c-56a826d09aa3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023111
StatusPUBLIC

Content hashes

Canonical text1721f64bfa3c245aeb85917bac67732e1e83fc9a176ce56cb2bbaf56e8ca64ee
Markdown031c4990cc7455e26e01332165158db3f58b058640bed39c88bece83537ecf26
PDF
Publication page26bd64f192ea24e7b897e0071981420782b1bc262adf3d718c92a3ccdb5ad662
Manifestc5b5a2874f03f7f929efc764e1512ebfb4fbe95bb7186616df3e85560fbf726f

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
SignatureWtk0STUwWEfLzUAJgBFAdGbC4sRWb2cqaEPyNAdi00JewEp0bCXA/qZz0uSg61GRyX9NrHaZc+nOk85d5mYaDg==
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

2026-09-17T11:51:02.134838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023111
observed 26bd64f192ea24e7b897e00719814207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.117672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023111/manifest.json
observed c5b5a2874f03f7f929efc764e1512ebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.099819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023111/publication.md
observed 031c4990cc7455e26e01332165158db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.081285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023111/publication.txt
observed 1721f64bfa3c245aeb85917bac67732e...
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.