OpenTechnical

OT-2026-000066923

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000066923) never changes.

Identity and time

Publication numberOT-2026-000066923 · never reused
Internal UUID01a0ae8f-14fd-7109-8894-2d7aabae69e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066923
StatusPUBLIC

Content hashes

Canonical text08eb1b9c5afe8b16ebca8114f2627ca968214c96655ab384cff7dc90be8db760
Markdown3b587a5a40fdd8f9ba3d351066acb09589f4f2a906e59a83ce5a1855d1382d39
PDF
Publication pageaad34d6a20b473e3dd37d023227abc926a93faa9312f1adaeefa983bb263a5c3
Manifest0fe80224b46724c8f5e4c147add49b3e7653a33dd8414ac28b48baec9c577de8

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
SignaturerZCPpbmUlWZsm6VPezqX3iWC8Dl/wNGXJSLNbfx0SoxfcuOyhwUOF2eD2Oy9+Dk3YZUBxNyd+Zu4JPsbj6eMDg==
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

2026-09-17T10:32:07.887256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066923
observed aad34d6a20b473e3dd37d023227abc92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:07.870462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066923/manifest.json
observed 0fe80224b46724c8f5e4c147add49b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:07.854151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066923/publication.md
observed 3b587a5a40fdd8f9ba3d351066acb095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:07.838343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066923/publication.txt
observed 08eb1b9c5afe8b16ebca8114f2627ca9...
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.