OpenTechnical

OT-2026-000008978

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pulsed blow-off before set-down

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-2026-000008978) never changes.

Identity and time

Publication numberOT-2026-000008978 · never reused
Internal UUID01a0ae6b-31b8-7266-85e3-bdb0db42c466 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008978
StatusPUBLIC

Content hashes

Canonical text9dc3886408052ee4d82b929d0f8af1d459b0d0b319197f7b285ae6a38803209c
Markdownb14409b81592effa0f0746e0eca0d996eb879c8c267e9da2ebdfea1f3a13f05e
PDF
Publication pagee3240b89e2f37c2a7b1ab4ac80d939e2a84c69928b69cb2022bf0c00ef3bb8c5
Manifestbed32dc756563de039b22c1b163c04088ea300c703d4214c9e9c26c4a78e6e0e

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
SignaturejpSG6LWc8yw+02g8aUhNuIVEDleDrd9EiyMJJFlv+Ch51dA98LdD0GZOOMolSh9FLBsc0T6RUhVZZdYKE5zUBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:36.029699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008978
observed e3240b89e2f37c2a7b1ab4ac80d939e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.008411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008978/manifest.json
observed bed32dc756563de039b22c1b163c0408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.988264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008978/publication.md
observed b14409b81592effa0f0746e0eca0d996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.969502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008978/publication.txt
observed 9dc3886408052ee4d82b929d0f8af1d4...
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.