OpenTechnical

OT-2026-000091847

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000091847) never changes.

Identity and time

Publication numberOT-2026-000091847 · never reused
Internal UUID01a0ae9d-43ba-788f-91f4-76774f16ab14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091847
StatusPUBLIC

Content hashes

Canonical text3d5228cc774159298e2dd2deab671a548d844683b58e16dc5dd0f020f3b968b1
Markdown395f19067ff76916fc4631a7b5214a075d75f3b31f865e2dfb7e95ca553891fc
PDF
Publication pagec252b0a42bf5749f9baf8828fc2f8d750cba2b4801a441eb4c77f46b6f95080c
Manifestd20a3b5409e5e1cbae8dab857d703ea32be879489a7793012fb684a75762fb42

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
SignatureEBKisiYgUlkCjG0MN3W3LcW2NNwsdxCXSD4opJsDz25OZOd/sY127tZ5nlpCVpE5w4QE1pupKemLU7b8jK8ZAA==
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

2026-09-17T09:42:46.110934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091847
observed c252b0a42bf5749f9baf8828fc2f8d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.093677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091847/manifest.json
observed d20a3b5409e5e1cbae8dab857d703ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.076996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091847/publication.md
observed 395f19067ff76916fc4631a7b5214a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.061630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091847/publication.txt
observed 3d5228cc774159298e2dd2deab671a54...
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.