OpenTechnical

OT-2026-000011172

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000011172) never changes.

Identity and time

Publication numberOT-2026-000011172 · never reused
Internal UUID01a0ae6c-540f-7665-bc39-643036638d7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011172
StatusPUBLIC

Content hashes

Canonical text8ee463a3d327fa21736c11599db4d8749f01cf1328d23a86d892e77ede045b64
Markdown32c1bdb388ce498d9ef76a726caa4a5cf5db9a346eae3ba2ecd330d90f36adb2
PDF
Publication paged5d68e106c826ce33be264d37422e3f8290a81d60c1fefea20fee7c465a31bb7
Manifest1afc93c27b4d847f1c79a828444a6561eac6b3e0a61e62380a1f3eb5afde1a70

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
SignatureAqmfcX5ROV2VFl9VLpWGnA2HMzVyaM+YIaa3mqtlkI1hnN9C9OSQUOGtmoyGjcgVOig6bIjmbCrY8YJfQgDyDw==
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

2026-09-17T12:14:06.585872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011172
observed d5d68e106c826ce33be264d37422e3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:06.566988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011172/manifest.json
observed 1afc93c27b4d847f1c79a828444a6561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:06.546836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011172/publication.md
observed 32c1bdb388ce498d9ef76a726caa4a5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:06.526841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011172/publication.txt
observed 8ee463a3d327fa21736c11599db4d874...
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.