OpenTechnical

OT-2026-000029655

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off before set-down

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-2026-000029655) never changes.

Identity and time

Publication numberOT-2026-000029655 · never reused
Internal UUID01a0ae73-5e23-71f1-bea4-54b3c3896327 · 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-2026-000029655
StatusPUBLIC

Content hashes

Canonical texta799d653290ab5eda214752b64e76c0e5b30a43561eafc4708d36b2ff5dfe34f
Markdown213065c5ef9f345e4563b11cc423fab6fa8b2f26e4f1029106e00e98fe49d046
PDF
Publication page1c0d66ec27332cb26c349f452455d6807804eebd325cea628dadec65bd5a263c
Manifest8a4e962e616309354fc83131eb7115d6b7e9c7790d1cb5d4a90213111499fedf

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
Signature4ZMdUCIEWwg0E4Q20cwDwTlYB6XlUWpLzE0q4T35xK4TNEXAo5xJeflcsX9W82Tl7U0V/dogF1awg4cux0P3BA==
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

2026-09-17T11:39:21.503261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029655
observed 1c0d66ec27332cb26c349f452455d680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:21.484858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029655/manifest.json
observed 8a4e962e616309354fc83131eb7115d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:21.466865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029655/publication.md
observed 213065c5ef9f345e4563b11cc423fab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:21.451244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029655/publication.txt
observed a799d653290ab5eda214752b64e76c0e...
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.