OpenTechnical

OT-2026-000041686

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000041686) never changes.

Identity and time

Publication numberOT-2026-000041686 · never reused
Internal UUID01a0ae79-e8a1-786e-9530-da2db4df7440 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041686
StatusPUBLIC

Content hashes

Canonical texta273104b135f0b4746c250fffd4c57f1491b12fd6abc35eaecf3677aa1917e5a
Markdown72548191a4fe256f79c5e0773b5a9c12a8c2c6929e0edb6395780e55890ed859
PDF
Publication page5983cde179971511fcfede7b9b1c49586e952c51bc0ce9064c6eb426a2ee9fa2
Manifesta127c6e2f19681121e26a12121482c22fbc5b614a21e193106a61d7e973e7026

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
SignatureKtzRTMFaExypqljvVYPm9C2NrdXDZAhDqZS/hOs1/v7mgs2ghZyQn5xvmLgPnuLk81ZX2XLOm7IifOAq36z4Bg==
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

2026-09-17T11:16:29.768548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041686
observed 5983cde179971511fcfede7b9b1c4958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:29.751975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041686/manifest.json
observed a127c6e2f19681121e26a12121482c22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:29.734349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041686/publication.md
observed 72548191a4fe256f79c5e0773b5a9c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:29.717583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041686/publication.txt
observed a273104b135f0b4746c250fffd4c57f1...
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.