OpenTechnical

OT-2026-000102855

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000102855) never changes.

Identity and time

Publication numberOT-2026-000102855 · never reused
Internal UUID01a0aea4-be3c-75a7-8635-db448967c5b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102855
StatusPUBLIC

Content hashes

Canonical text1f189da10b27af7967af63fccb585efd8778845aae27d22b82e984646c7bf1a1
Markdown8bcc43da25cee051b04c2b5bd2317a067feccc2cb39748f0382b24a47d78c346
PDF
Publication pagee25466f3cd54e5e8d52bfdeed876a4b3b01a1ed245bb2e4145e81d378322b58e
Manifest3f779fbf7808a8733057a841469be0593003c4d8f40b77331b5a3f1b8330ccb6

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
SignatureAQMTvetksF5oZdZGkIdHywpmbG3p/1GIvbMMZwiD2dLh4akcT0kq4EFX1yq9kc6+eQh42UN3pHuY5jQzD/U+CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:51.722511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102855
observed e25466f3cd54e5e8d52bfdeed876a4b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:51.699903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102855/manifest.json
observed 3f779fbf7808a8733057a841469be059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:51.684195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102855/publication.md
observed 8bcc43da25cee051b04c2b5bd2317a06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:51.667782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102855/publication.txt
observed 1f189da10b27af7967af63fccb585efd...
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.