OpenTechnical

OT-2026-000071631

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000071631) never changes.

Identity and time

Publication numberOT-2026-000071631 · never reused
Internal UUID01a0ae92-1e90-7e01-bac3-d6226f7a4f52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071631
StatusPUBLIC

Content hashes

Canonical text052070341a75d7a7a5daac694c0200343dbbbee9ce99161d39bcb9a87132e4eb
Markdownacb3b9d9ff7390b3626833e69f9464bd11d9a1c8e9fb3687cf4021ced53c6a4a
PDF
Publication page3ad3a2dfa05afd70dd3d5701b5cf933a409a69fd93e36e2e45c318a172a421e6
Manifest0e3b6dedac5483c45bf5961764206f2c94987034e40aad9a728d39c13330ae8b

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
Signaturer2VmV0mJIpEhxV3k2gErfogtyIsBbT3Gq+hM9V7w9NqQGQIOqC302QeWo3rIp5xgTrxr2GKwKSGuNRrPLXLYBA==
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

2026-09-17T10:23:39.866860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071631
observed 3ad3a2dfa05afd70dd3d5701b5cf933a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:39.848628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071631/manifest.json
observed 0e3b6dedac5483c45bf5961764206f2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:39.831995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071631/publication.md
observed acb3b9d9ff7390b3626833e69f9464bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:39.814783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071631/publication.txt
observed 052070341a75d7a7a5daac694c020034...
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.