OpenTechnical

OT-2026-000084161

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000084161) never changes.

Identity and time

Publication numberOT-2026-000084161 · never reused
Internal UUID01a0ae98-5b5f-7346-a744-ca9ad794af1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084161
StatusPUBLIC

Content hashes

Canonical textc2cf0662d6f91198c3bcb896691371ce14b982d37e5ea4678d850478cda5b281
Markdownc4060292f3f10bfd7f5733d3834a42bf5863919e64d250f681281da27ced069d
PDF
Publication pageec74e993b8131ab5ea3a0a59c4a69a348e1b4cdcb80fcc2370d828ed988d2d03
Manifestc055e9640b6cc052242d2b55c5b83a05e463347f5ba7ddb075a885c950728145

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
SignaturegD//OLC8xCyrDK3RN4jGpXWS8Pa9wUHV+2DAnGggg1801gdGUfINV7x4f2+qDXke35acTNKyHdwfEfMt1Cs6Cg==
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

2026-09-17T09:55:56.031893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084161
observed ec74e993b8131ab5ea3a0a59c4a69a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:56.013625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084161/manifest.json
observed c055e9640b6cc052242d2b55c5b83a05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.994367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084161/publication.md
observed c4060292f3f10bfd7f5733d3834a42bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.975305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084161/publication.txt
observed c2cf0662d6f91198c3bcb896691371ce...
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.