OpenTechnical

OT-2026-000058261

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000058261) never changes.

Identity and time

Publication numberOT-2026-000058261 · never reused
Internal UUID01a0ae88-f397-7655-b630-3a3bdb31f205 · 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-2026-000058261
StatusPUBLIC

Content hashes

Canonical text969f5f3b1d7918621082643ad1f3d4a43760d3ecc581bdf96fe8a46858d04484
Markdowna19d4627a079542569a621da5f55214dc5408d55b66ea1ecb520aec214aed621
PDF
Publication page0e81a94624ccbb88921f8afaebda6885e0494688c5c819ee1485e16888d2d294
Manifestb105f9c516fde0361e9e6d37d1bd8a44f738d5a992670cf9754a983e8c3c36da

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
SignatureGVajg0FPk5Z2xFP1fiMGth+5CPajS+n3g/80D0pMirrpy323ev4aSOsMivEArgDh2EThGMDFWEdkBpEsyXr5CQ==
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

2026-09-17T10:46:38.687655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058261
observed 0e81a94624ccbb88921f8afaebda6885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.671289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058261/manifest.json
observed b105f9c516fde0361e9e6d37d1bd8a44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.654951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058261/publication.md
observed a19d4627a079542569a621da5f55214d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.636182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058261/publication.txt
observed 969f5f3b1d7918621082643ad1f3d4a4...
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.