OpenTechnical

OT-2026-000029416

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000029416) never changes.

Identity and time

Publication numberOT-2026-000029416 · never reused
Internal UUID01a0ae73-5e20-7b40-9efa-0f58d411d77b · 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-2026-000029416
StatusPUBLIC

Content hashes

Canonical text6b2e957b600834561ce52dd706acc9b43aa1c19cc5cd9e21d9a1479da3a32dcc
Markdown5c9a6a0117d4dc7aad18bc85085bfe1364b6e7bf06b0a794114ffbee2dbc94cf
PDF
Publication paged43d7d4b6483f022006977ed98399ea0f40d11b2a03c5f1d32c80eb208dddcdc
Manifest40711927ff6a3638b09415e71981b403e9f0237fffee80b48bde17a2d0dee66d

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
Signaturero7RmcGwRQA+M1yYUFcSp00hpt0OoN4Dr8S5G3e0x+qs3rwCeXm9cbxCD8gb0sTJuDz827viS97y+7Uta0FWDw==
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

2026-09-17T11:39:01.272535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029416
observed d43d7d4b6483f022006977ed98399ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.255676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029416/manifest.json
observed 40711927ff6a3638b09415e71981b403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.239369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029416/publication.md
observed 5c9a6a0117d4dc7aad18bc85085bfe13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.221042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029416/publication.txt
observed 6b2e957b600834561ce52dd706acc9b4...
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.