OpenTechnical

OT-2026-000043979

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000043979) never changes.

Identity and time

Publication numberOT-2026-000043979 · never reused
Internal UUID01a0ae7b-d679-7f1e-b583-2a28432a1cf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043979
StatusPUBLIC

Content hashes

Canonical text1e1374d625cda9eafac97f1efbe46163364fd552353ae4c7383f6324214c4eb3
Markdownd32824ed2a96b8f8d4ef53ae2dbc69ac2777e02d7b2bf10721b37fb3cc04826b
PDF
Publication page0789badbc0e928842d3627418cda98e699b7a7f06aa3b9e88d3bf5f92090c9ac
Manifest154393589a7f9559ac2d6bcdd11de1035146f68a2b11ed10f9917c41549b03c3

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
Signature9SPOZeFgHu4sSGICdr7cLLSKR4rO/IvPP0S86DgL6MpM7K4WaKoTG/L39Nvd0hsMwLQDgCnRQ51D0wt5qCMFCQ==
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

2026-09-17T11:12:20.626768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043979
observed 0789badbc0e928842d3627418cda98e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:20.606019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043979/manifest.json
observed 154393589a7f9559ac2d6bcdd11de103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:20.584978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043979/publication.md
observed d32824ed2a96b8f8d4ef53ae2dbc69ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:20.559770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043979/publication.txt
observed 1e1374d625cda9eafac97f1efbe46163...
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.