OpenTechnical

OT-2026-000062414

Publication integrity record

Foam pad vacuum gripper, two stage ejector, vented after 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-2026-000062414) never changes.

Identity and time

Publication numberOT-2026-000062414 · never reused
Internal UUID01a0ae8c-0abf-7503-b3a4-e2523da29bd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062414
StatusPUBLIC

Content hashes

Canonical textc41e5cab45f8641dfa5fbb927fd3b9f2b171499116d1a13e1887414dd897df30
Markdown642270ee2e067c3220ddc50422a85abea5de91bc45a48032982d780b8ea9cb49
PDF
Publication page1ee2ab2afd1c08014ac510e51cd931982d376676e6c710c5821ec7d1407243b2
Manifest0c863364bcb97e9acd481267c316db3a6a5aec2d22f9b998783e84411d9e0ad8

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
SignatureeD6MD3+ZFDeiBQMWZCjPjkzKyArSm5fbQsetNhjEhMGPJeZUVZ4uw+vfLpK5wWEvpWGyMM6nTcz9CpTO337QCA==
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

2026-09-17T10:39:44.758823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062414
observed 1ee2ab2afd1c08014ac510e51cd93198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:44.739633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062414/manifest.json
observed 0c863364bcb97e9acd481267c316db3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:44.718731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062414/publication.md
observed 642270ee2e067c3220ddc50422a85abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:44.700774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062414/publication.txt
observed c41e5cab45f8641dfa5fbb927fd3b9f2...
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.