OpenTechnical

OT-2026-000067850

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single 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-2026-000067850) never changes.

Identity and time

Publication numberOT-2026-000067850 · never reused
Internal UUID01a0ae8f-c4fb-7bd9-bad5-3752f19d12a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067850
StatusPUBLIC

Content hashes

Canonical texta51536230055586178fac188f737c5c39cf905aca99e575f5f37f6d8a710daad
Markdown68e7475d9a5f979c276f91ebf1df3f2f668b7403f69c18625f17ecd2890cb532
PDF
Publication page647f6d71482f03f53e5f00974392a7492f5007ddda17b8e2515e79d6cfcd4863
Manifest9c34bf7ddd2a580a1995a2cbef4d5e71007a05422d1d04affbac29506787a526

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
SignatureCkPXLTH+E79u15UFY2e8ScaqtkEG3vV4TkfEh1TO7b4GKemifWUwlLJI2U8EkWIntmCYZUkP8WeacqOOUHviBw==
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

2026-09-17T10:30:06.693369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067850
observed 647f6d71482f03f53e5f00974392a749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.652126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067850/manifest.json
observed 9c34bf7ddd2a580a1995a2cbef4d5e71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.620856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067850/publication.md
observed 68e7475d9a5f979c276f91ebf1df3f2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.599974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067850/publication.txt
observed a51536230055586178fac188f737c5c3...
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.