OpenTechnical

OT-2026-000041719

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold 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-2026-000041719) never changes.

Identity and time

Publication numberOT-2026-000041719 · never reused
Internal UUID01a0ae79-e8a1-7b56-8b93-8576dbede335 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041719
StatusPUBLIC

Content hashes

Canonical textfc64a055283a09e51a77a15234dafa251916c0672a6e353a4dcb0b496d983f6d
Markdowneb39bac2219de73a70fac1836893b7ea38acfd7d4122719c1d26381f494ac53f
PDF
Publication page69f43d7dea6d5ea94f9f9adfbc09439fac61ecb27380e56a0624f205ba1ee4a0
Manifeste77176c1e6d0f3ebd062b5ca510c708daab4ef0ac30623848f36e8a4f588e46a

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
Signaturep4GceGp6CTIzb0Sb6OW6Sha53zCOTR73PLB9qlw/FrFr0GraUIkzMKqt2kTnPzVFw8Vu9YdcHJgE4LCyCytwDw==
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

2026-09-17T11:16:33.494593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041719
observed 69f43d7dea6d5ea94f9f9adfbc09439f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:33.478707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041719/manifest.json
observed e77176c1e6d0f3ebd062b5ca510c708d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:33.461121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041719/publication.md
observed eb39bac2219de73a70fac1836893b7ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:33.443236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041719/publication.txt
observed fc64a055283a09e51a77a15234dafa25...
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.