OpenTechnical

OT-2026-000098420

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000098420) never changes.

Identity and time

Publication numberOT-2026-000098420 · never reused
Internal UUID01a0aea1-e965-73e4-b5a8-1910d6b5ad9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098420
StatusPUBLIC

Content hashes

Canonical text41c10e4324548dcedfa69941cf6459fd0d049082db065e04e580e3b58259eaf6
Markdown9d40cfc3bbe05d441bd867e0b88555dcc90f5bd9a18c01b39ba54a570cfbe9eb
PDF
Publication page638946647e9011a59fe3ab3d4526389276b506f7cb2c170d40c63ba38eb0c285
Manifest2d2acb2a69af3bbc50eeadc00dbe65987572ba57b70c342ed7520a7bca892626

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
SignatureVrbHmBQIacCypVBbCsCApZRRz8FgoNSYQjc5dr7pMqnnp71k0FKSg0bzYRIZif/AGxbYb2XIS+iJIhes0BFlCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:16.313633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098420
observed 638946647e9011a59fe3ab3d45263892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:16.295212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098420/manifest.json
observed 2d2acb2a69af3bbc50eeadc00dbe6598...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:16.262000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098420/publication.md
observed 9d40cfc3bbe05d441bd867e0b88555dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:16.228604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098420/publication.txt
observed 41c10e4324548dcedfa69941cf6459fd...
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.