OpenTechnical

OT-2026-000081340

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000081340) never changes.

Identity and time

Publication numberOT-2026-000081340 · never reused
Internal UUID01a0ae96-f374-77e8-a1a0-ced72f59fff4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081340
StatusPUBLIC

Content hashes

Canonical textcf17fd7a60ea75329291c9cc0cdf09d03ed0c2d097acdac1a72297487b4a67fd
Markdown2731bfb6f06b436e36f1dce9a87b53a915bf6b74deff041b51c6209e4797be76
PDF
Publication page700112ddf0e6fafa8954df328169dbf18eccec5c27c3786a19e7656006a4930d
Manifestab7b1050939645b626d50a59aba60d5e2abda0ca0ed837f4d2dbe5786ee7c39e

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
SignatureeeebQi8ZP0RfjnGIrKQFgU+wG/pXgSJDoY+RNvBvGuIjNPFLJLC08FfIiPKN7KgAXC4PPpo8pq30lLAcK9ckBA==
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

2026-09-17T10:01:27.919344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081340
observed 700112ddf0e6fafa8954df328169dbf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:27.899494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081340/manifest.json
observed ab7b1050939645b626d50a59aba60d5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:27.878735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081340/publication.md
observed 2731bfb6f06b436e36f1dce9a87b53a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:27.858032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081340/publication.txt
observed cf17fd7a60ea75329291c9cc0cdf09d0...
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.