OpenTechnical

OT-2026-000072937

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000072937) never changes.

Identity and time

Publication numberOT-2026-000072937 · never reused
Internal UUID01a0ae92-c815-711c-a3c0-b7330537db98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072937
StatusPUBLIC

Content hashes

Canonical text82da961344f7c6c0fea93a2631e2782d01fa9cd5d44f59d7c71a4b5e2d2cca91
Markdownc4fde4743fe0af996d826e00abd50d9abf811678deea02f20519c5c573de406f
PDF
Publication page12ac8fa4ba767b8d62c3c1633e87a6117923d71c630fb99c20eb1f0a9d00e699
Manifestda0a0db4d39ecd9cd50024417d33c6fa77e7bc0c28558665d6fed51c310d84ae

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
SignaturerVqIIY3LHT1ueEZP+uIMxMEk4RFcNhcLBjAfxEIlAbFValNYQOdXhW3B2vUnjYjGz3bSk7CcSKgtwZnz/LuTAQ==
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

2026-09-17T10:21:51.308856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072937
observed 12ac8fa4ba767b8d62c3c1633e87a611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:51.291462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072937/manifest.json
observed da0a0db4d39ecd9cd50024417d33c6fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:51.273392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072937/publication.md
observed c4fde4743fe0af996d826e00abd50d9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:51.254604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072937/publication.txt
observed 82da961344f7c6c0fea93a2631e2782d...
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.