OpenTechnical

OT-2026-000093108

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000093108) never changes.

Identity and time

Publication numberOT-2026-000093108 · never reused
Internal UUID01a0ae9e-0910-78a4-8e18-2f36bac1ff24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093108
StatusPUBLIC

Content hashes

Canonical textbc2357f8346e202b4e228eb2d1f672ed41bca1c51f17918e33a6483d6bc36a09
Markdowncffdf5dde2ec1c179a6abf03b0a5d0b8867ab3c4a95e5e2a473a3fd7de095454
PDF
Publication page6e2746307448c74aab40fc802b8cf60ec18962281ca68814389f5a125ca4e7b4
Manifest8bc429b84e1b2e46d1c91a9ebb619ae193d6a0a606072a56524f36aea437e22b

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
SignatureUhso947y83t6Ep/SQMOi+VuN/csbQJ7TV1l1k7aR3C/Q2tIcnGOxOllYH0gqznU+R5/vqP5GdkHiTHK1pQA3Cg==
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

2026-09-17T09:40:23.392270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093108
observed 6e2746307448c74aab40fc802b8cf60e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.373940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093108/manifest.json
observed 8bc429b84e1b2e46d1c91a9ebb619ae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.352758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093108/publication.md
observed cffdf5dde2ec1c179a6abf03b0a5d0b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.328080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093108/publication.txt
observed bc2357f8346e202b4e228eb2d1f672ed...
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.