OpenTechnical

OT-2026-000033537

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two 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-2026-000033537) never changes.

Identity and time

Publication numberOT-2026-000033537 · never reused
Internal UUID01a0ae75-a38e-7855-ba22-c349382504d0 · 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-2026-000033537
StatusPUBLIC

Content hashes

Canonical text7fb7a8b754cd1b63b3df7733d014035132bd4c43a5ca3d8084e84ed7fba21789
Markdown859aa4176523236b85a42d54fd9fef63cfcd1df631b380f2e7098939cbe6a57b
PDF
Publication page09f9ccc9344e1d8b921d6b6393cfcdd64be0b829e356771e8fe0c31e6d507abd
Manifestd81ac6fb794d55786659b7300dba346251366e1e87310c4190a11e9a9eb89040

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
SignatureLPIHOYmvydwumb98ktOm1TiYwYANj+fXwhdWRAgR/014+FAHX2gu2r3++e4sv6cnrwH5ZvxP/+r5c+pVgd+vCA==
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

2026-09-17T11:31:23.855748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033537
observed 09f9ccc9344e1d8b921d6b6393cfcdd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.834974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033537/manifest.json
observed d81ac6fb794d55786659b7300dba3462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.811637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033537/publication.md
observed 859aa4176523236b85a42d54fd9fef63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.793612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033537/publication.txt
observed 7fb7a8b754cd1b63b3df7733d0140351...
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.