OpenTechnical

OT-2026-000025698

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000025698) never changes.

Identity and time

Publication numberOT-2026-000025698 · never reused
Internal UUID01a0ae71-9bca-71e3-b15d-d8da338de853 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025698
StatusPUBLIC

Content hashes

Canonical textf7fb289ee0d57337f08ab13ffae4925bfcadb548ae4599954a5c8daae3afc8dd
Markdown25f058a3ddef0d4aa6653106c8fd92fd4c7fffa76cb98208c04f5d54cdbb9109
PDF
Publication page2111baec9881031f6cea41381c70c2ba93377802955040dc8098704504a48217
Manifest92f342d0143a7b54e07f61c527b8413fcc073f9fbb71b1cba86d7c0a46a78954

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
SignatureetqJMLD75nts6YBGnVb8cIhEVktZhI4FTD/5Cjz9gRR0/QkgGu+A5J0ZIU5zVE2ks2x+elW/uffTQ2a72/YaBQ==
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

2026-09-17T11:46:54.735534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025698
observed 2111baec9881031f6cea41381c70c2ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:54.718321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025698/manifest.json
observed 92f342d0143a7b54e07f61c527b8413f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:54.697699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025698/publication.md
observed 25f058a3ddef0d4aa6653106c8fd92fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:54.679692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025698/publication.txt
observed f7fb289ee0d57337f08ab13ffae4925b...
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.