OpenTechnical

OT-2026-000102598

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, 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-2026-000102598) never changes.

Identity and time

Publication numberOT-2026-000102598 · never reused
Internal UUID01a0aea4-858b-7115-ae2d-b654f4ffccad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102598
StatusPUBLIC

Content hashes

Canonical textc537b37c10849f3a1fabc2e0d413f6a37c410396199aced7cc461c940cdae9f6
Markdown776b025f91fb5f06a319e929799924365f8f69c2670785e3f5d420c0e4d64988
PDF
Publication pageb4bf367bd04fd177402a476c6843f6cf0fb5ed8124eba61d020b3e081788fb63
Manifest9d5c0d78dbba4598d6fc8b8cd984581d8050655e5b43359355ecfb2c75d0a37b

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
Signaturep2STltzfw+dbz++vgV4Xfm7D/ePHdH1QoZ7ahTGnSM3xbGpbMuL/qrzAr37kz8slhtw9uATGJbAEk6fF1QVyBw==
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

2026-09-17T09:23:40.190718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102598
observed b4bf367bd04fd177402a476c6843f6cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.173654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102598/manifest.json
observed 9d5c0d78dbba4598d6fc8b8cd984581d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.156019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102598/publication.md
observed 776b025f91fb5f06a319e92979992436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.138126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102598/publication.txt
observed c537b37c10849f3a1fabc2e0d413f6a3...
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.