OpenTechnical

OT-2026-000060361

Publication integrity record

Single cup 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-2026-000060361) never changes.

Identity and time

Publication numberOT-2026-000060361 · never reused
Internal UUID01a0ae8a-5a75-75d9-98b9-67dd3361e22b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060361
StatusPUBLIC

Content hashes

Canonical textee9fdd1375e9af653c728b0719b05b502b308858e086018f11ef270c95e70601
Markdownff5aea2c84af8b145afa705397ebc68d63cb459ada12baf3ff56b6ae8f6d8c68
PDF
Publication paged5bf3a4165e219526cb26103861a1699ea8e61e1587fc13b5a5b854c447ffcf7
Manifest8dc46fdeb09455d59ba3a9fb6363b67aa1918a47286d6138f4625fece0fae7be

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
SignatureDh3gMfhHnQs7rZLTH6DAniMBC/1Mu3kkSvVmO1Y7WJaUfRfKV7K9xVol3Zfa9enBd73o4qG123X2UGXZdSAmAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:38.399081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060361
observed d5bf3a4165e219526cb26103861a1699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.382645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060361/manifest.json
observed 8dc46fdeb09455d59ba3a9fb6363b67a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.365206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060361/publication.md
observed ff5aea2c84af8b145afa705397ebc68d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:38.347460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060361/publication.txt
observed ee9fdd1375e9af653c728b0719b05b50...
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.