OpenTechnical

OT-2026-000066343

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000066343) never changes.

Identity and time

Publication numberOT-2026-000066343 · never reused
Internal UUID01a0ae8e-8dc4-700d-8cad-1b25e6bc0ca4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066343
StatusPUBLIC

Content hashes

Canonical textc30b0e98c0dafc0d8473123237e86ea23fb205a49f7199dd1432a0b900ddb4ad
Markdownf25a5cc7a0e10fdc584497642ad43f91346def26d4d60afb6a506d148c4ce794
PDF
Publication page1e26951c2dcec1ac6685ec7850ee0d1f6e42d927ec6cc403116287694b9ba7e9
Manifestac9d8f19125dc5532010ddf852a26fa22290478a35090125541cbc71e684ac63

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
Signature/ONtGI0dEt7iY0phoy1sz9K1hk7AynSXjoLIXtW/khxh+EZwOpVRBe2Duby3yKqK2NqJzdKbWebWWvrq3fSGAw==
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

2026-09-17T10:33:32.160091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066343
observed 1e26951c2dcec1ac6685ec7850ee0d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:32.142654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066343/manifest.json
observed ac9d8f19125dc5532010ddf852a26fa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:32.125957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066343/publication.md
observed f25a5cc7a0e10fdc584497642ad43f91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:32.106504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066343/publication.txt
observed c30b0e98c0dafc0d8473123237e86ea2...
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.