OpenTechnical

OT-2026-000070829

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000070829) never changes.

Identity and time

Publication numberOT-2026-000070829 · never reused
Internal UUID01a0ae91-8c2d-7035-88e4-24edd04ff72e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070829
StatusPUBLIC

Content hashes

Canonical text2acd3ffc1e092165c31b372c7401255590ec1ead473625bfbd28ecf196151ae8
Markdown095dd55db15b4b0aa30dd22aef2dd4c7a786cde36216fe96fc9e7f90b96b57c6
PDF
Publication pagea850b5c47f96f8da3cc11f599da20dba417218c39a70e4190a0805e63a17e238
Manifestaa7b682133419ecedcc83803c936fdbd00b06b4f363fd7281fe3d451728c7e1a

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
SignaturehGZiZWB5xXNnCm/9wjk/08HjYNe4G/NKdvxAstuF7wIarE30nTluXdWbpwEHafpvaVxGbep2DwiKAGJObyNICQ==
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

2026-09-17T10:25:38.599934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070829
observed a850b5c47f96f8da3cc11f599da20dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.581517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070829/manifest.json
observed aa7b682133419ecedcc83803c936fdbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.564469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070829/publication.md
observed 095dd55db15b4b0aa30dd22aef2dd4c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.548202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070829/publication.txt
observed 2acd3ffc1e092165c31b372c74012555...
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.