OpenTechnical

OT-2026-000025798

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000025798) never changes.

Identity and time

Publication numberOT-2026-000025798 · never reused
Internal UUID01a0ae71-a83e-7dd2-be67-60daad8253de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025798
StatusPUBLIC

Content hashes

Canonical text1921486c9bb9d195cb13c78232112bd84242d99fbef7bb25bd6cfd68624808ea
Markdown23c99fe28701d482c3c07b42c1694d515d70dce144c267489797efb4b9f484a4
PDF
Publication page5ef18e20e5b7e9cc368fd3f56e6c269072d2c0c113d6056d2b07c94750d0a33b
Manifest8f7841ac51c101e63712e8adfd4a1ad03466c153f6562570eb71d8baf1403c28

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
SignatureOcBfGz3gccDYL1WYiQos2MD9ecgE3ECVIwrknujXgbAdsHhJkZBL4NervAWE5xhKNrAYgFYnaGK5Ebfh6bcOAA==
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

2026-09-17T11:46:00.311697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025798
observed 5ef18e20e5b7e9cc368fd3f56e6c2690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:00.296066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025798/manifest.json
observed 8f7841ac51c101e63712e8adfd4a1ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:00.277438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025798/publication.md
observed 23c99fe28701d482c3c07b42c1694d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:00.260037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025798/publication.txt
observed 1921486c9bb9d195cb13c78232112bd8...
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.