OpenTechnical

OT-2026-000052799

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, 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-2026-000052799) never changes.

Identity and time

Publication numberOT-2026-000052799 · never reused
Internal UUID01a0ae84-a42e-7cb5-a6e7-2e480ab48d2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052799
StatusPUBLIC

Content hashes

Canonical text869e3552ef151f699255a492b9e005bbb0ebd5675d44060ccd524512f81c54f3
Markdown08267293b4b712dd5513e4fd7dd88640855c3791935fc7b1329f0fae2dd5861b
PDF
Publication page61aceb48da7c39c84126e89d16dfd1016bf70473ab2f9df217466b33e33bfbe9
Manifest327d69973353e07f2d62ca98e248fcd04173e529bc0008719adff6b6d210e98e

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
SignatureeQS7IbtREvNcPhVyY+jXLMYJRNCzc2mZUy1mrzlLYAv512ASyTamkdBBEdHda6QqKkVl5R7HJ4YdX35nMOYcDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:48.875991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052799
observed 61aceb48da7c39c84126e89d16dfd101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:48.857522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052799/manifest.json
observed 327d69973353e07f2d62ca98e248fcd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:48.839664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052799/publication.md
observed 08267293b4b712dd5513e4fd7dd88640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:48.822148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052799/publication.txt
observed 869e3552ef151f699255a492b9e005bb...
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.