OpenTechnical

OT-2026-000033505

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off 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-2026-000033505) never changes.

Identity and time

Publication numberOT-2026-000033505 · never reused
Internal UUID01a0ae75-a38e-7e78-aa69-3ede87b08d77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033505
StatusPUBLIC

Content hashes

Canonical texted3b24cbf9b7394b057b0298ad0665f6bdc4babfe9a1e07cc07e5cfef1184684
Markdown647926bdaebf9969b3f636bd7963ce1fdd66d78aeb61287f9b093abb15c98de7
PDF
Publication pageb570b91d5de3c7a1c40a483e843f5e190aadffb7f869baed7ae034e5ec97bd27
Manifest4e894da08a92f0513125de4b8fb608f6e4ce8059dabb8e1e9bcb7e3642efafe7

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
SignaturetLcdWzTcB2SJeWkADqGFe6oNytnUff9P2DQI0tnaSFtULXoeIgX2DZRCBRHIw0HjAH0EsD4xlcAFTDt3kXHvCA==
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

2026-09-17T11:31:21.425429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033505
observed b570b91d5de3c7a1c40a483e843f5e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.408833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033505/manifest.json
observed 4e894da08a92f0513125de4b8fb608f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.389320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033505/publication.md
observed 647926bdaebf9969b3f636bd7963ce1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.371849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033505/publication.txt
observed ed3b24cbf9b7394b057b0298ad0665f6...
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.