OpenTechnical

OT-2026-000026038

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000026038) never changes.

Identity and time

Publication numberOT-2026-000026038 · never reused
Internal UUID01a0ae71-a840-74ce-9dbe-250fe944ff18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026038
StatusPUBLIC

Content hashes

Canonical text1c5927281ee4a8938f9a1efce51288b73909663444dbff1ed3a86721d2407e15
Markdown582ff0a6c242fee22fa30a18160911899efc748af85fc7e1c5d33051c3759bec
PDF
Publication page31e0de804f0a9eb6aa3cb721c95c632504ce3a3e27aad1e2c603b62ec473b547
Manifest9ab9cf2e0d88ec4805e0afa464b065c922cc1928d9828da4a08205864dd9dbcc

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
SignaturegnzDnILbAQsW+ZDMituIYgHRiCkYXoDXpw0bjtFxHZlifL2yI7f/F79MrSugh337dOaG5g6kNsE3rp0uWJK5AQ==
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

2026-09-17T11:46:25.558937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026038
observed 31e0de804f0a9eb6aa3cb721c95c6325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:25.541851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026038/manifest.json
observed 9ab9cf2e0d88ec4805e0afa464b065c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:25.525574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026038/publication.md
observed 582ff0a6c242fee22fa30a1816091189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:25.506946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026038/publication.txt
observed 1c5927281ee4a8938f9a1efce51288b7...
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.