OpenTechnical

OT-2026-000029649

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000029649) never changes.

Identity and time

Publication numberOT-2026-000029649 · never reused
Internal UUID01a0ae73-5e23-7707-a766-3718c2aa20f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029649
StatusPUBLIC

Content hashes

Canonical text379a9b77845ef6b8c00c4bd2efb7867b9aa9ecc967d7daf1c7062b08ee06c959
Markdown5ec0dece7db689065fc61e5ec11a1598b6ae9d0651a0827639d069de05866cb9
PDF
Publication pageb1010c9bfeddc735e92c335b536ab26936c2a64402dea1d9d2fc6239ce6f1c9f
Manifest40adf9d5645f42f1c7c6da33845e03024c68f23f8dd311ff5d0085092abb50ff

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
SignatureNHkrPwi4kDppo6m9k1rvOTSDF1JSObxafnH2aWq99b7ej+F9c1jfwxQmV10HlmkBS06zmWfLzST/Njwe4sdBAw==
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

2026-09-17T11:39:21.791290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029649
observed b1010c9bfeddc735e92c335b536ab269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:21.774556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029649/manifest.json
observed 40adf9d5645f42f1c7c6da33845e0302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:21.758759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029649/publication.md
observed 5ec0dece7db689065fc61e5ec11a1598...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:21.741597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029649/publication.txt
observed 379a9b77845ef6b8c00c4bd2efb7867b...
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.