OpenTechnical

OT-2026-000058490

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000058490) never changes.

Identity and time

Publication numberOT-2026-000058490 · never reused
Internal UUID01a0ae88-f39b-7b79-9c58-44c55d0cf1ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058490
StatusPUBLIC

Content hashes

Canonical textd2d3f7c4e77646bc15dc2665866317e55552cc05cc67ca5902a71edb67faf277
Markdown2613576cc4b0333ec8c9115ffe0ea869be0170c6a768d35b8ba97b25522a3269
PDF
Publication pageb66f891548548e2b86e44217c07a78f824ce7cdc38155eda8a4ab7a06874409e
Manifestc7b11e87c7c61e92f7f5deb6489cae14f3b98f7e06ad95f9b33ffd3070a12f03

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
SignatureFB3soehltn5SsmvhCvPCMdqRcrNX0Yiz0ZEeF+YSfJFMR6UobQXymVH+9kZCm5KI22twsKNViK4mpDZ0iYstDQ==
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

2026-09-17T10:46:56.844606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058490
observed b66f891548548e2b86e44217c07a78f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.826867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058490/manifest.json
observed c7b11e87c7c61e92f7f5deb6489cae14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.807930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058490/publication.md
observed 2613576cc4b0333ec8c9115ffe0ea869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:56.790993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058490/publication.txt
observed d2d3f7c4e77646bc15dc2665866317e5...
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.