OpenTechnical

OT-2026-000023365

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000023365) never changes.

Identity and time

Publication numberOT-2026-000023365 · never reused
Internal UUID01a0ae70-7268-7309-afd8-ecef7c45f37a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023365
StatusPUBLIC

Content hashes

Canonical text8df99dfd4e53ddf9e8172360feb3fd0353167296f6cf3035bd9185b30ba740f5
Markdown41541c861507382e44b269cccb6cf9e19f409740128b4935e3f99791e5078369
PDF
Publication page138f505227f4d4d2abede6075739fa56e0a7ea43d7e41a2818adc2cc4564b0a1
Manifestd573438d69e2b43b878b7f9bf43d7db398d35cf84da3d697919edb9a7bc5d5b6

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
SignaturePTLwdcLMNK9oq6modX6mBe71RJDsuGpItR20PH3AGUxuJ0S5Vi9p9tgAV93MvLjHcak8E7Gv34WWLlqfpIZXAw==
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

2026-09-17T11:51:27.853075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023365
observed 138f505227f4d4d2abede6075739fa56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:27.833509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023365/manifest.json
observed d573438d69e2b43b878b7f9bf43d7db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:27.810981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023365/publication.md
observed 41541c861507382e44b269cccb6cf9e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:27.792271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023365/publication.txt
observed 8df99dfd4e53ddf9e8172360feb3fd03...
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.