OpenTechnical

OT-2026-000031570

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, pulsed 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-2026-000031570) never changes.

Identity and time

Publication numberOT-2026-000031570 · never reused
Internal UUID01a0ae74-87af-7236-8efe-4f9184dd26f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031570
StatusPUBLIC

Content hashes

Canonical text3f6b2c3894a2398da9543230d1973e816d412d9835e223fbafc1e41b41312280
Markdown70979e7b620415800275d0d6e56dbccea2320be0d8a14d6d12f2e91ab8ba10d6
PDF
Publication pagefed739c525fbd89f69ce77a2d5e4f6a42c77155667eac9891b9f37e79fa56373
Manifest1e6789a7a2f647f1afb72830254d2526b94a2ad240bb9e2643990a79e447ee09

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
SignatureSZGeT2fDKVyhGJHsMArd1j38B58NnWt+Z8qJmLL13ZvUNc29ggTHsAPLu2b/Zmo5T+V/X9r62cqygVhuA2w1Ag==
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

2026-09-17T11:36:25.207928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031570
observed fed739c525fbd89f69ce77a2d5e4f6a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:25.191316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031570/manifest.json
observed 1e6789a7a2f647f1afb72830254d2526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:25.174607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031570/publication.md
observed 70979e7b620415800275d0d6e56dbcce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:25.156374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031570/publication.txt
observed 3f6b2c3894a2398da9543230d1973e81...
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.