OpenTechnical

OT-2026-000026031

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed 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-2026-000026031) never changes.

Identity and time

Publication numberOT-2026-000026031 · never reused
Internal UUID01a0ae71-a840-7a72-b1e6-b4a2e13d5955 · 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-2026-000026031
StatusPUBLIC

Content hashes

Canonical text7560d09793cf20348a7ad5ca55e92d359f9b7199c0cc9c724499a3984bdafe86
Markdown0fa803801469a2a4904c62e242311e3af563643164443d1b500400ae55a22703
PDF
Publication page005fba3b84c3639830e4c07bb843e0ed27f3e9133d4db412a94d577ad583b891
Manifest20cf29ee894a2a58070b6502daa5d63776eac4ae954bd5f7a4a0e974ecea202b

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
SignatureFvIswAEnla5aYT+KWgLdMKTIl4z3TTZN9TDGa+lv4ti9kOQrlb7BiBj9N2rOHaced0/TMuRLzoo7zQ2jD2r2Dw==
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

2026-09-17T11:46:25.012638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026031
observed 005fba3b84c3639830e4c07bb843e0ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.995431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026031/manifest.json
observed 20cf29ee894a2a58070b6502daa5d637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.978415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026031/publication.md
observed 0fa803801469a2a4904c62e242311e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.961720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026031/publication.txt
observed 7560d09793cf20348a7ad5ca55e92d35...
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.