OpenTechnical

OT-2026-000086490

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000086490) never changes.

Identity and time

Publication numberOT-2026-000086490 · never reused
Internal UUID01a0ae9a-2c97-7147-b4db-af2361524666 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086490
StatusPUBLIC

Content hashes

Canonical text774d11dcdf759fe9f014ae8c9d7fce75ed3cae0cd6dabbd382b5d187ad839134
Markdownd1aa9e3cdc674ad39773dbd81c56e57f288b465654796193ac5c255c78075f48
PDF
Publication pagea6ae44c517f5143788faa3ff22ec92ed50776d124a0e64a1fb01c0bec312500d
Manifested8ced416d204193866729f42faa8d4f6015746455f0d5f39b1f46a79bcc2b3a

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
Signature3Q4xL3HXjojYkUOxgcbq2/FDl4FWfInRztJTAM10DfgJkFk37Eq9YZyZyLOtVj03oEQpTFLyhR9S8kBMjnHyDg==
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

2026-09-17T09:52:18.251288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086490
observed a6ae44c517f5143788faa3ff22ec92ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:18.224158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086490/manifest.json
observed ed8ced416d204193866729f42faa8d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:18.204813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086490/publication.md
observed d1aa9e3cdc674ad39773dbd81c56e57f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:18.187003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086490/publication.txt
observed 774d11dcdf759fe9f014ae8c9d7fce75...
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.