OpenTechnical

OT-2026-000042373

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000042373) never changes.

Identity and time

Publication numberOT-2026-000042373 · never reused
Internal UUID01a0ae7a-5d74-71b7-83f8-0c3310dec525 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042373
StatusPUBLIC

Content hashes

Canonical text10a7caaba4bb05589dcd7e7ff9aed56477003262d6a6b13f0b4e8b5c737abcba
Markdownbc892eac5a07813adb5de18fc87e6331851ba4f432b7867b1a76335f20581c47
PDF
Publication page5f018e522a470e49825ffa636e2e613016c53beae8bc8b8f024af20865da14e8
Manifest7667f7a1a9961facdccd5d99e1c060ebc797bd502d026f02568060b405fc2eee

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
Signature/N9tBSLCiC4a34cIcvtCfRMZ8mps8Ajz9KRy5Jkc70Z0MCdzFQrAFkFglrOb1wG+TWImoH2GuLdWw17dGz0gBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:09.751299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042373
observed 5f018e522a470e49825ffa636e2e6130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:09.733361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042373/manifest.json
observed 7667f7a1a9961facdccd5d99e1c060eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:09.713849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042373/publication.md
observed bc892eac5a07813adb5de18fc87e6331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:09.695390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042373/publication.txt
observed 10a7caaba4bb05589dcd7e7ff9aed564...
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.