OpenTechnical

OT-2026-000070187

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000070187) never changes.

Identity and time

Publication numberOT-2026-000070187 · never reused
Internal UUID01a0ae91-1862-756c-b01a-06836e5d198c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070187
StatusPUBLIC

Content hashes

Canonical text53c6953b2761e2314c4ae9546de3406f59f00d6df86a4544619d070f1b7ee888
Markdown3b81a9e2c3f5cd0af4936901d8f837f5f3f8eb332d58fcef314c13acd5338cf4
PDF
Publication page51c3f24ea9027af9a2c5ce12fb15a58c0f289692a629f95aac2d4cf1bae8b75d
Manifest28e1dd8bce76aa42179ef23e5150e48bf0be658e91f3b52eda2bdadafc622776

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
Signature1oQOLsfHyljzoprd9X8qEU+RnASH22yQoP4rsbsHw4n4WVbvRaQHFSva1ifELxLubXfKp9bliiTmLI6WDV8GAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:27:14.420450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070187
observed 51c3f24ea9027af9a2c5ce12fb15a58c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:14.401785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070187/manifest.json
observed 28e1dd8bce76aa42179ef23e5150e48b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:14.385326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070187/publication.md
observed 3b81a9e2c3f5cd0af4936901d8f837f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:14.367586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070187/publication.txt
observed 53c6953b2761e2314c4ae9546de3406f...
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.