OpenTechnical

OT-2026-000073630

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000073630) never changes.

Identity and time

Publication numberOT-2026-000073630 · never reused
Internal UUID01a0ae93-2b8c-7164-9f5c-7a5f422dff79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073630
StatusPUBLIC

Content hashes

Canonical text6b66c3ec905001686383acedaae3f12a14245574010b8837b705890fb2da062b
Markdowne775185338343a6fa626ac3ddef36b20a7ff8fc3ad582c24e69f96e4da197e45
PDF
Publication pagec1cc48e749cfb940453a7a8b441da427109259446ad57a184962d92640397246
Manifest6f1853b8f5ec883ee07a1e4b8cf015b54f310372cb567d4dacafd215a2344252

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
SignatureGDdFaj4FmnBkfyAk/S5QsvQBIETFYjEdRSRYiPbnwpn1LE+pgSSLFZtQZVaI9yJL8ThQ505qqDzgjjtw1joTDw==
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

2026-09-17T10:19:40.362579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073630
observed c1cc48e749cfb940453a7a8b441da427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.343070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073630/manifest.json
observed 6f1853b8f5ec883ee07a1e4b8cf015b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.325014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073630/publication.md
observed e775185338343a6fa626ac3ddef36b20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.306434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073630/publication.txt
observed 6b66c3ec905001686383acedaae3f12a...
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.