OpenTechnical

OT-2026-000071260

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000071260) never changes.

Identity and time

Publication numberOT-2026-000071260 · never reused
Internal UUID01a0ae91-e0ec-7b6a-8e6c-563eee45c319 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071260
StatusPUBLIC

Content hashes

Canonical text3d27c0aa65d170390f50dcd719bb836c70783022bda67db31cb56ea0c9aaa1a6
Markdowneb59f598a7bbf1184dbd85f534d17b00bdac13cbf1c2a7d0f3729c70914875d5
PDF
Publication pagefc82c612c03a4a83aee854e60aa1a4b738c5f164713d88b30ae30bd04f4c7b70
Manifest364e7b06fdd7af371cacd320541a605f7c6e2126cd2093cc7f71a79adffe7cac

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
Signaturewm2Ab64qiRs1KSWoBF/U7dNwQOkIP9UfC0thCij36Ry5wFYtRNjAITok5ctg+HKixzpcSODWcHIgRa/KiRHmCQ==
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

2026-09-17T10:24:49.022063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071260
observed fc82c612c03a4a83aee854e60aa1a4b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:49.001418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071260/manifest.json
observed 364e7b06fdd7af371cacd320541a605f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:48.983078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071260/publication.md
observed eb59f598a7bbf1184dbd85f534d17b00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:48.963962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071260/publication.txt
observed 3d27c0aa65d170390f50dcd719bb836c...
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.