OpenTechnical

OT-2026-000083026

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000083026) never changes.

Identity and time

Publication numberOT-2026-000083026 · never reused
Internal UUID01a0ae97-c961-7035-a97f-6da6ec566011 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083026
StatusPUBLIC

Content hashes

Canonical text9d802004217e9b8df13d6c35314e48cfd2cb06c69cfa39d0ba92c487ebdc23f1
Markdownf6f8537a4aa27864f97a22a10f82212fea8a18f947875720ad242b481610b080
PDF
Publication page64cea44bbe25a4319aeb312eaaafb2250b41fcc0fcc66d89c38a5da601a34455
Manifest4eeb6464d8c0cea0a24283f6afc1e40e3c3942ed15ca3ee2192b5cbd71740a98

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
SignatureUfDQgcTp2/g1zhX7W1Ij3Yi/+yA926EHmUyxU2iCnmPZaaYbydSoqjoRjxuyDO/5FYeZmB0hLx5kbJEb5ioSDw==
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

2026-09-17T09:00:20.608505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083026
observed 64cea44bbe25a4319aeb312eaaafb225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:20.590933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083026/manifest.json
observed 4eeb6464d8c0cea0a24283f6afc1e40e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:20.572096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083026/publication.md
observed f6f8537a4aa27864f97a22a10f82212f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:20.429358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083026/publication.txt
observed 9d802004217e9b8df13d6c35314e48cf...
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.