OpenTechnical

OT-2026-000022736

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000022736) never changes.

Identity and time

Publication numberOT-2026-000022736 · never reused
Internal UUID01a0ae70-46ea-7ee9-a3c7-e147e917b8cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022736
StatusPUBLIC

Content hashes

Canonical text16145a5d2d79402d34f8a52d8e29f4eb361265a90e97fef7985b14ef95ad865d
Markdown2bbe9976297e86fe3e46cf21234d6e75b0f8ce7bb799a3c2c9a2cdddd1cb4825
PDF
Publication page4630bcfa6da77806ba034a2f71b57126163c2c65f9a49f4aefcea6892e2b9edb
Manifest23347e8c2483de59d8a63ad42cb2e7567defb9c25f28c8116d288d3d10148dab

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
Signature/sHCVQIeuOq8RIFjoMuuYbCdWBqEQCosCvEYjgBOt/eg4WDIwq1Sf9FkAjhLm/D70Y2MPUG5W14th3SY3XkeDQ==
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

2026-09-17T11:52:14.491735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022736
observed 4630bcfa6da77806ba034a2f71b57126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.474614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022736/manifest.json
observed 23347e8c2483de59d8a63ad42cb2e756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.455990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022736/publication.md
observed 2bbe9976297e86fe3e46cf21234d6e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.435392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022736/publication.txt
observed 16145a5d2d79402d34f8a52d8e29f4eb...
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.