OpenTechnical

OT-2026-000018575

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000018575) never changes.

Identity and time

Publication numberOT-2026-000018575 · never reused
Internal UUID01a0ae6e-b48b-7f97-a86c-cbd070926b55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018575
StatusPUBLIC

Content hashes

Canonical text67a943f3904fd7b3a387bd316182eb7d9b153aa1d5fcadf14f9df4d4655fbffc
Markdown6b3af358e0401a51d758265109c0474ad5984b3ed4040bd3c4483aff978783bf
PDF
Publication page570b706ede0c4392e129920183667bc6ca7d416a2646c159efe95099ecf9866f
Manifestb486b88ae8c33b6c49948deb2ebe2093aa7c1e1c90b1f7bacb77da99bcc59f54

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
Signaturean8DGc9M9XDK0/jlcSf7aA72ro5VduZglA3KqTOtAM1b+PRFeqAK7Q8qJM1L8l3zBchChB9BeoveZWFrbYZvCw==
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

2026-09-17T12:01:21.894505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018575
observed 570b706ede0c4392e129920183667bc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:21.874883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018575/manifest.json
observed b486b88ae8c33b6c49948deb2ebe2093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:21.855360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018575/publication.md
observed 6b3af358e0401a51d758265109c0474a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:21.835113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018575/publication.txt
observed 67a943f3904fd7b3a387bd316182eb7d...
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.