OpenTechnical

OT-2026-000007603

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, 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-2026-000007603) never changes.

Identity and time

Publication numberOT-2026-000007603 · never reused
Internal UUID01a0ae62-76bc-7f08-9706-f0d5f96be57e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007603
StatusPUBLIC

Content hashes

Canonical textb171a6ee7a75b8ad018d4689cd5d0dcd0485492ffd466ee220c97a28f2dbbd55
Markdown0638eb59fe1943b3eb617cebfee8ae4339fd9ffa80f463918ce80d1a4f59f829
PDF
Publication paged1893ef1f7427be71a2bcb90d3b9f3e933d693f7c2a3b6354d6436394f5617b9
Manifest16410a493af8e50eafa6ada0f79d880a3a77c08be9ba2293e4d5cb43c646fdac

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
SignaturemLacOVtZHECVZNr60guKtYAMsXLMr7YJZH269zWu55cwl7av6++kioT2E4JSduv8Nd9YejICQo2K0TX9XJKeAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:12.855886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007603
observed d1893ef1f7427be71a2bcb90d3b9f3e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.837653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007603/manifest.json
observed 16410a493af8e50eafa6ada0f79d880a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.820023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007603/publication.md
observed 0638eb59fe1943b3eb617cebfee8ae43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.803555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007603/publication.txt
observed b171a6ee7a75b8ad018d4689cd5d0dcd...
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.