OpenTechnical

OT-2026-000087457

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, sustained 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-2026-000087457) never changes.

Identity and time

Publication numberOT-2026-000087457 · never reused
Internal UUID01a0ae9a-cd50-7468-8de3-0ee7c5f14eb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087457
StatusPUBLIC

Content hashes

Canonical texta96e83f9f64448d96228c6d7114c3555e103246aa92ab0f8e5222c7e17ce0428
Markdowne972d28a968e390395d36a4cc07ab575af531b187e83a5cbad73eaefd26183a4
PDF
Publication page076af1a54c06c51a4f77a7983448eb5a9ff6be489ce8320fd69987b8ddf11d57
Manifest94494081cd1e021d97b3dc90d2c3b4cc670e12927f842f0bdcf9f78f88b92b28

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
Signature/XF+BXkaXxuOsx9S0ad4WMI+AOY6XSZkhM95LAJ0dXho17cHx5rX5usYv5x2GsIgW7svT/sE8wOFX+UH7ftaDQ==
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

2026-09-17T09:50:46.991029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087457
observed 076af1a54c06c51a4f77a7983448eb5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:46.970877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087457/manifest.json
observed 94494081cd1e021d97b3dc90d2c3b4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:46.952468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087457/publication.md
observed e972d28a968e390395d36a4cc07ab575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:46.934233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087457/publication.txt
observed a96e83f9f64448d96228c6d7114c3555...
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.