OpenTechnical

OT-2026-000049674

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000049674) never changes.

Identity and time

Publication numberOT-2026-000049674 · never reused
Internal UUID01a0ae81-8fee-7af4-8cdf-7f638846e99a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049674
StatusPUBLIC

Content hashes

Canonical textb1cd4f4bf99068e39c390db8c0878945a7a61b61ae6c26cbafc67bbe79354932
Markdownbe23d8c5f7fe18910ee86f5e89e5f5912d69cb34a9519cb80a95649ca0777acf
PDF
Publication page87936222b5903a5346f04091734cebcc4188b89838a2ed1cd7bdbe26aa83b439
Manifestffd257c58529938ceb1dced365987ae5b4295f42dd3af835125dc49440ad2a3a

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
Signaturetkf7MJY1Uu8xD5x3FjZrLHAEIwKuwKypBmPHyfGKLM+wvaYz0Z+KlQMkYgnvRmONdyBnb6VRm2uXv1DCRe6KAQ==
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

2026-09-17T11:02:40.788963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049674
observed 87936222b5903a5346f04091734cebcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.772038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049674/manifest.json
observed ffd257c58529938ceb1dced365987ae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.754545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049674/publication.md
observed be23d8c5f7fe18910ee86f5e89e5f591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.735885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049674/publication.txt
observed b1cd4f4bf99068e39c390db8c0878945...
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.