OpenTechnical

OT-2026-000049322

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000049322) never changes.

Identity and time

Publication numberOT-2026-000049322 · never reused
Internal UUID01a0ae81-1350-7fbd-87b6-f9a13fe1bd4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049322
StatusPUBLIC

Content hashes

Canonical text0d310f693594e300b3efbf35e2eb3bc71529ac9246df841d5767bb34eeb0eced
Markdown7c46f82362268fd19d074b0926c48873c6c5faa0a42b65894484b8865697b7dc
PDF
Publication pagea442b5e295f020d0b8647821f56093c0a05ac885bed9e2e120d9eb07855fcd1b
Manifestb3288269ef1ce8c712695dee302d1f2e3f498c48caf99ee90a2cc32cd368019c

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
SignaturePCCFxfuD5ZUgY0NzrEtl01kLy7DhwXoSWaeqi7zqXG9MQHhhz3praWPIUwSj5gxuly90O1sQNvXB2TCn0XZ1BA==
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

2026-09-17T11:04:11.744016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049322
observed a442b5e295f020d0b8647821f56093c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.724715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049322/manifest.json
observed b3288269ef1ce8c712695dee302d1f2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.705247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049322/publication.md
observed 7c46f82362268fd19d074b0926c48873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.686818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049322/publication.txt
observed 0d310f693594e300b3efbf35e2eb3bc7...
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.