OpenTechnical

OT-2026-000091268

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091268) never changes.

Identity and time

Publication numberOT-2026-000091268 · never reused
Internal UUID01a0ae9c-f16c-7dad-8eb7-67033a493b9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091268
StatusPUBLIC

Content hashes

Canonical texta21936c55981d0ec9f24696c1e595b3414a79fae429d18f3e97d4d3b7c327440
Markdown0ceabee248236bbcfe09080fd0bc896f922c6ee6f33c9dd6fc4eedf541206d6b
PDF
Publication page372b1a89a3ce11404e1b2ee1de49055213f00c6df947c331b2ccebb241fd4f12
Manifestea67b26ddf341d1904dbb6f89c30f81ee8fe9999e3f6c73b45f640845f41c81c

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
SignatureKMXFjJX2XkrVvFkhLzw96fT7Iwm5AbwGTFrLDzY/T8CPETtLmZF+4eUECgz5rFKZYBuBErwWCSt6XaG0K2u5Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:26.996748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091268
observed 372b1a89a3ce11404e1b2ee1de490552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:26.980120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091268/manifest.json
observed ea67b26ddf341d1904dbb6f89c30f81e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:26.962325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091268/publication.md
observed 0ceabee248236bbcfe09080fd0bc896f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:26.945537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091268/publication.txt
observed a21936c55981d0ec9f24696c1e595b34...
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.