OpenTechnical

OT-2026-000081712

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000081712) never changes.

Identity and time

Publication numberOT-2026-000081712 · never reused
Internal UUID01a0ae97-0f73-79f7-b86e-c231d29da2d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081712
StatusPUBLIC

Content hashes

Canonical text3c88c5ef11ecb3b9c6396eb2c10b72bc9fac13a0976518d18efc09f627e11db1
Markdown97a4b8e8737cfaf00040ce724a4a8b4be066a58dc7ad747b55155b39aad36487
PDF
Publication pagea732f29f72f0cb8d467e26520588a00ef62b9d15df6cbb27f95d641f9576e2f7
Manifestd58201a128f094fe8ece4eb43ba9df0781ee53b5349602b8ed3296aaeccf7cfd

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
SignatureHl3AHs77OkR4325R8sDY00V1jL7pYrNgUHV9RNgTLtnRkaG+Oqs+F4J0WKQXgGXNgusgz+Vbi0fQD20aQvP4BQ==
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

2026-09-17T09:59:47.179810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081712
observed a732f29f72f0cb8d467e26520588a00e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.159880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081712/manifest.json
observed d58201a128f094fe8ece4eb43ba9df07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.139842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081712/publication.md
observed 97a4b8e8737cfaf00040ce724a4a8b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.118601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081712/publication.txt
observed 3c88c5ef11ecb3b9c6396eb2c10b72bc...
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.