OpenTechnical

OT-2026-000047120

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000047120) never changes.

Identity and time

Publication numberOT-2026-000047120 · never reused
Internal UUID01a0ae7e-d0f8-7cac-9a2b-41c554760433 · 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-2026-000047120
StatusPUBLIC

Content hashes

Canonical texta0bcc2e249fdb006abe2aed9a7b178b3c4b533995d950c0210b3b319f728a08a
Markdown0285df9e7d365318bc0b113a1d049e8a620d88f232700bea03443befe6f18295
PDF
Publication page6078047508576c8c9373b638130cf70ceab7460728829c67466fcb04f816ac1c
Manifestb3d8717d64265827591a10c1715eace4d92b1b136426a1f2a43a9a355c5104a3

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
SignaturezlyW46EHQXaCXDCp8i5UQwx2rYXHbxp8DhbSSWDhEHH79NFPFWUYBr9zPbP8ImjyEV1O535NfkZNkLaD/2iLDA==
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

2026-09-17T11:10:26.944484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047120
observed 6078047508576c8c9373b638130cf70c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.926327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047120/manifest.json
observed b3d8717d64265827591a10c1715eace4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.906891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047120/publication.md
observed 0285df9e7d365318bc0b113a1d049e8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.888681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047120/publication.txt
observed a0bcc2e249fdb006abe2aed9a7b178b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.212911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047120
observed 6078047508576c8c9373b638130cf70c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.192304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047120/manifest.json
observed b3d8717d64265827591a10c1715eace4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.173091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047120/publication.md
observed 0285df9e7d365318bc0b113a1d049e8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:55.155140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047120/publication.txt
observed a0bcc2e249fdb006abe2aed9a7b178b3...
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.