OpenTechnical

OT-2026-000061674

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000061674) never changes.

Identity and time

Publication numberOT-2026-000061674 · never reused
Internal UUID01a0ae8b-b8aa-7ed9-a7c2-729b19a42b2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061674
StatusPUBLIC

Content hashes

Canonical text095ae3ae5636965982337684fd37e4e8a44ae3c07b61b114917da164c6ec104c
Markdowndc2485db82337cf205d81112e39c87544dd279cfb87e6680dee91168dd7071e2
PDF
Publication paged3161f3a0a039a94f0b9ee29b00ff1f7107fe8650114c937efbd4a52e972def9
Manifest2daaa7b6b16b047a974f5ff3936919e84d143db1e86590f15a41a8b99cefde93

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
SignatureJ8qn9UBtbFoxtVGNqLx1EOBJ1/ANwuMA9222xpuq4WegD371bW4BfZJDN1WH5xoP7gHQcE5DiOpNzKKrY1IbBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:13.648012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061674
observed d3161f3a0a039a94f0b9ee29b00ff1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.624342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061674/manifest.json
observed 2daaa7b6b16b047a974f5ff3936919e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.604131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061674/publication.md
observed dc2485db82337cf205d81112e39c8754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.584174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061674/publication.txt
observed 095ae3ae5636965982337684fd37e4e8...
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.