OpenTechnical

OT-2026-000047239

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000047239) never changes.

Identity and time

Publication numberOT-2026-000047239 · never reused
Internal UUID01a0ae7f-3e56-776b-a383-84636661fb72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047239
StatusPUBLIC

Content hashes

Canonical textab0cc6786c812657992940a0c209010eb51fafb2589042276d4d70781bfc8beb
Markdown595762d93e5037f28f590239e84143a07d9075aef8bee093455f59e3acc2c41b
PDF
Publication page58e01eb2840dbd3b17d5801e5f0b80aeefb9080e0afda73a5daa1bce4e419729
Manifestd8bc2c9304344acdf3c73f452a607a45100ce9c3cc739efe4c754869d3f42a59

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
SignatureG5v0DNQmfuLEdn4IW5BUFzFBXyoGcsmP9pqz17IlyI87Ydt4HxPOe2YDUefkTTnPf4qjbSLHFRkHkQkekNSCAQ==
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

2026-09-17T11:06:11.747532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047239
observed 58e01eb2840dbd3b17d5801e5f0b80ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:11.728913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047239/manifest.json
observed d8bc2c9304344acdf3c73f452a607a45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:11.711160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047239/publication.md
observed 595762d93e5037f28f590239e84143a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:11.693868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047239/publication.txt
observed ab0cc6786c812657992940a0c209010e...
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.