OpenTechnical

OT-2026-000047039

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000047039) never changes.

Identity and time

Publication numberOT-2026-000047039 · never reused
Internal UUID01a0ae7e-d0f7-72e7-a413-bee262355f06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047039
StatusPUBLIC

Content hashes

Canonical text1939a3b301d5f6b9889dee393bf744feafa0776ad35175cb4fbc016d6e0ed0fd
Markdown238ab6c403b1239913ff5fcf4efbcf9cccc32a90b976e3f36a89ab4990fe0210
PDF
Publication page04bd28f86f5ffdd7b240e83c0ede4bbaef1b1e36eff741986b27f6540744c75c
Manifest33665c2d67501e4f6df1c1e1d97d6bbcf76db3d0b6a593d8dc18ae8939e87570

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
Signaturekj5w3vOuXthVonoSebv7K41l7ud4JZsOfzHBCHmZfGLtD5w8w7udo2EhiSm+h5h37W8/C0nEpMIjY60nkRBIDg==
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

2026-09-17T11:10:19.636173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047039
observed 04bd28f86f5ffdd7b240e83c0ede4bba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.616538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047039/manifest.json
observed 33665c2d67501e4f6df1c1e1d97d6bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.597583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047039/publication.md
observed 238ab6c403b1239913ff5fcf4efbcf9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:19.576381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047039/publication.txt
observed 1939a3b301d5f6b9889dee393bf744fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:48.246864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047039
observed 04bd28f86f5ffdd7b240e83c0ede4bba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:48.227799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047039/manifest.json
observed 33665c2d67501e4f6df1c1e1d97d6bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:48.209493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047039/publication.md
observed 238ab6c403b1239913ff5fcf4efbcf9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:48.190000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047039/publication.txt
observed 1939a3b301d5f6b9889dee393bf744fe...
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.