OpenTechnical

OT-2026-000070470

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000070470) never changes.

Identity and time

Publication numberOT-2026-000070470 · never reused
Internal UUID01a0ae91-545f-7b10-9c96-7b80b94d28ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070470
StatusPUBLIC

Content hashes

Canonical textfc3860dec3a96ca74a68b4af764a96af4fcd8655b8367d8c386cf8072b00f085
Markdown9441816203375afe0c55834dfaba1b454223957bd015d10d6deec9fba1aa9789
PDF
Publication paged46a948b75419becb9625886aed267f528f2930372cf3e7c93166aeca6dd09f5
Manifest9c31f86c492a6a22c5f278060d9cfc2ca66aa029606b84b934d79d4f7b346583

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
Signature7crLn0vxbyiRQPEcrsM6gHkDSJAYuKsjb4D73t8+5od/3ma8h7OUZ4bSD2mkBliRd+0tKXtY1+VPokKwOM0zAg==
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

2026-09-17T10:26:17.916012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070470
observed d46a948b75419becb9625886aed267f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:17.899345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070470/manifest.json
observed 9c31f86c492a6a22c5f278060d9cfc2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:17.883608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070470/publication.md
observed 9441816203375afe0c55834dfaba1b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:17.867112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070470/publication.txt
observed fc3860dec3a96ca74a68b4af764a96af...
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.