OpenTechnical

OT-2026-000084617

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000084617) never changes.

Identity and time

Publication numberOT-2026-000084617 · never reused
Internal UUID01a0ae98-e25b-7e94-b032-0e6f561aba47 · 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-2026-000084617
StatusPUBLIC

Content hashes

Canonical text5a7e0c3c2fc35b97abfe83e15272d9d166f07782c95f4b5f908fccf4f97b7ad7
Markdown2c8ba287764f51d9783d92861461902f537b688dfe1af8cd0a867544f6949671
PDF
Publication page7d882bf1a56f2aa2878ab21cd43842676f623045968db1bc2a174ce38687db53
Manifest50e2e3cb072b0a351f3764fa54cc05733a14bbd8e83d9fe2ab9cb9950ac9ec40

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
SignatureYrqvEYa0PCoyc9SKIFWdMatceOCF26FR95NndSBtkBbI7O+OS9T4LUXUYtsFIAV6mP0OSKxDwjDPHQuT9lQXCg==
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

2026-09-17T09:55:31.748444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084617
observed 7d882bf1a56f2aa2878ab21cd4384267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.731309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084617/manifest.json
observed 50e2e3cb072b0a351f3764fa54cc0573...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.713810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084617/publication.md
observed 2c8ba287764f51d9783d92861461902f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.697336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084617/publication.txt
observed 5a7e0c3c2fc35b97abfe83e15272d9d1...
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.