OpenTechnical

OT-2026-000070003

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000070003) never changes.

Identity and time

Publication numberOT-2026-000070003 · never reused
Internal UUID01a0ae91-1861-7ebe-8b20-0a29c72a4d2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070003
StatusPUBLIC

Content hashes

Canonical text2a5131dded1a5b4bf6eb4a35f2253f23d2fc42802771a914f1e3aa9c56ddd3e3
Markdownbe28a39cedd7f3453535187c6ea0d570de41ad9b68da064dca11951c7191214f
PDF
Publication paged5f3c43eb45609c2b51a25ef8be159f7bf769013a1281acd8244589a8e15aba9
Manifest94e673ba6499ab6c7b2c5ad4edb1c5b5272b84ced57d85b6c6414af097940db8

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
SignatureP4R6ULs2FWoo3ka9WOxEvSg+8cMO3YPXd/jhYY+bSPkocQ7DEzRrEP18YP+mIGyOTKoU6VJTAn+dJ5HRpnDVAg==
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

2026-09-17T10:26:57.186954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070003
observed d5f3c43eb45609c2b51a25ef8be159f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:57.170098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070003/manifest.json
observed 94e673ba6499ab6c7b2c5ad4edb1c5b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:57.153582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070003/publication.md
observed be28a39cedd7f3453535187c6ea0d570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:57.135863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070003/publication.txt
observed 2a5131dded1a5b4bf6eb4a35f2253f23...
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.