OpenTechnical

OT-2026-000011879

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, 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-2026-000011879) never changes.

Identity and time

Publication numberOT-2026-000011879 · never reused
Internal UUID01a0ae6d-1942-724f-8421-6ee372f1964e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011879
StatusPUBLIC

Content hashes

Canonical text666bd76887f94ffff81c1405d619ed9d137fa6136eb6647e443062b99b65a7cc
Markdownd8b686b1c98187d209007bb0c0f3f949f1f14b267394cfa02fa38e4997227246
PDF
Publication page0004037ca1a8036182b1a5998bf2d3ba044e563646bca4ee19b5fb43ac5af8bd
Manifest5a8d21036ef7d4df5d1bd744d2e39fd1d0cdc6de6202c867438a6135ae585c93

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
SignatureRzd9pdKCoYS+kU94iXJuD8arngkWzf1XcAu5rcVi9D0k3Yq5QtSB9U+AzfEX7ajlETnTpg7u8WRBVDfrq1RZDg==
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

2026-09-17T12:12:37.819741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011879
observed 0004037ca1a8036182b1a5998bf2d3ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:37.802435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011879/manifest.json
observed 5a8d21036ef7d4df5d1bd744d2e39fd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:37.785675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011879/publication.md
observed d8b686b1c98187d209007bb0c0f3f949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:37.765959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011879/publication.txt
observed 666bd76887f94ffff81c1405d619ed9d...
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.