OpenTechnical

OT-2026-000041211

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000041211) never changes.

Identity and time

Publication numberOT-2026-000041211 · never reused
Internal UUID01a0ae79-b143-7d0d-aa3e-becfd2a85387 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041211
StatusPUBLIC

Content hashes

Canonical text5f692070b27def9426f9f9d6a629e5f17e7a770ff040a31203252122e6a635d9
Markdown9d2be5d27ca44fb81551d6569bc65840283cb751b000e34663f0bffdd18b0ac0
PDF
Publication page1181b9d252a6ca448bfc23fc4f578b747f1cebbc7e73e7a802822518be790748
Manifest89f562383be625b8988f9ea8088bdcfbcd0153d40dabbdb1b773703a4bbfcfaa

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
SignatureKs8K7TIGW0kmTDJJbAidAkZmjKtezac65HMiLEzHVE4y2m2+GpPqxOpAuNffXr/rPwcy3/Yf6fNJwl/2H+ZDCw==
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

2026-09-17T11:17:10.225454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041211
observed 1181b9d252a6ca448bfc23fc4f578b74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.208757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041211/manifest.json
observed 89f562383be625b8988f9ea8088bdcfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.191028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041211/publication.md
observed 9d2be5d27ca44fb81551d6569bc65840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.173293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041211/publication.txt
observed 5f692070b27def9426f9f9d6a629e5f1...
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.