OpenTechnical

OT-2026-000080671

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000080671) never changes.

Identity and time

Publication numberOT-2026-000080671 · never reused
Internal UUID01a0ae96-b973-7a14-b68b-6b3924aac1ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080671
StatusPUBLIC

Content hashes

Canonical text8d791b6508495a5490ccffa1a505d00f47cef29d02e34eefc4d556bbe628a81f
Markdown1f2105aa0a58654a1dc16926781c54e542549c8c86588706e138b4126e7b9e55
PDF
Publication page004cf82de5d9521cedfb8cadce45857e4de59a56230ab9f1518a881d8ac186d4
Manifest0e05fb7404abfdd89632fc09f7b52675f200b0085d172933ec6253d39119dcc3

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
SignatureMVmI7weApveUtbAHOKOTK5t2Abs+CzdMaLG96xGKGnzyMWH2TD4HbPNHJHJtOolBJE55pdpX8ImzqWlpUK3CCg==
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

2026-09-17T10:01:42.112406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080671
observed 004cf82de5d9521cedfb8cadce45857e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:42.093629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080671/manifest.json
observed 0e05fb7404abfdd89632fc09f7b52675...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:42.078250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080671/publication.md
observed 1f2105aa0a58654a1dc16926781c54e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:42.059376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080671/publication.txt
observed 8d791b6508495a5490ccffa1a505d00f...
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.