OpenTechnical

OT-2026-000084640

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, sustained blow-off before set-down

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-2026-000084640) never changes.

Identity and time

Publication numberOT-2026-000084640 · never reused
Internal UUID01a0ae98-e25c-73ee-aca3-b0234a1a0535 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084640
StatusPUBLIC

Content hashes

Canonical textfa9890c0c0689e823eed803fbe82f294799a8a132afe815a68b3cebe13f3d7e9
Markdown6e1f647232ed82f87ea288f39404a4aac22bd5e49261c515107e9a8b627704c9
PDF
Publication page6871c0741dffd929b97c00db399386ce1495893bbe1daf9a00031dbe900a3b3f
Manifest8073fa48ae50d293a5d8186c1149eb7c35be0e581df07fd71cf571caab0818ef

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
SignatureHFlxEqAMoQG8yOk2F5c8P9egy/CHc+82u+hveaDphUkAvmio1DoXZPY5oN1vP01De4QUz3qL3bv+gV4jnqWSAA==
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

2026-09-17T09:55:33.491343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084640
observed 6871c0741dffd929b97c00db399386ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:33.474179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084640/manifest.json
observed 8073fa48ae50d293a5d8186c1149eb7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:33.456422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084640/publication.md
observed 6e1f647232ed82f87ea288f39404a4aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:33.438464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084640/publication.txt
observed fa9890c0c0689e823eed803fbe82f294...
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.