OpenTechnical

OT-2026-000025385

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000025385) never changes.

Identity and time

Publication numberOT-2026-000025385 · never reused
Internal UUID01a0ae71-5fa7-71a9-8008-b34e048d3f22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025385
StatusPUBLIC

Content hashes

Canonical text61e8f4117f641f572951e7641e067d78b04db8ce8a6f4d626b94c820b8b8d63e
Markdown10f1e1dfb059c525b18ac2a4318b126e0987bfb97a31fa552224cc0587b911ae
PDF
Publication pagee9fc31ef2879fd545a1942ab1a74dc8ef94bb122a6ac6536745539479201cd42
Manifest552184cde6cdb649d833c3f7fa1d8f4d06e9c302c7a8a6aa2362160a414035d2

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
SignatureNIZeG8umsdpB/c+m35vwQjAbybzDZSbqzWzGhZ2yNz6W9uCCEcT+XxWTKGXE5bb/pDZsKbm+kihS6MbrHdNIDw==
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

2026-09-17T11:47:27.161688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025385
observed e9fc31ef2879fd545a1942ab1a74dc8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.144456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025385/manifest.json
observed 552184cde6cdb649d833c3f7fa1d8f4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.128196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025385/publication.md
observed 10f1e1dfb059c525b18ac2a4318b126e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.108974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025385/publication.txt
observed 61e8f4117f641f572951e7641e067d78...
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.