OpenTechnical

OT-2026-000032453

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000032453) never changes.

Identity and time

Publication numberOT-2026-000032453 · never reused
Internal UUID01a0ae75-106e-76ba-8cf3-dd9a15e39f23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032453
StatusPUBLIC

Content hashes

Canonical text4ee46f65a4b9cae47fe1ec28686df04380c3c372ccdecaa4232d5eedc9a66ea8
Markdown4142834dbfc32f6deea6bda072699c636a2d12e85cd596e4f8c9539608cb04ea
PDF
Publication page3a479cac2ee825bb96d40f6f41dbc5217fe2f89587c7ab0454ea64025c8b4ab4
Manifest1da2e3aae0765cf5b5b29c60b76ea818e7f55a00cc7eaf8134d9879e752c9069

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
SignaturehkZ+Xe2QRTIIOrwVAtEMrR1Xhta09TJ8C4z3ytTXFC4UHPUPNK5e7z0kf+gBmoct7UYw+T8XUJEmvIcsgrqOCQ==
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

2026-09-17T11:33:52.845960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032453
observed 3a479cac2ee825bb96d40f6f41dbc521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:52.828099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032453/manifest.json
observed 1da2e3aae0765cf5b5b29c60b76ea818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:52.809506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032453/publication.md
observed 4142834dbfc32f6deea6bda072699c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:52.791191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032453/publication.txt
observed 4ee46f65a4b9cae47fe1ec28686df043...
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.