OpenTechnical

OT-2026-000103309

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000103309) never changes.

Identity and time

Publication numberOT-2026-000103309 · never reused
Internal UUID01a0aea4-be3f-7e99-9740-e93f7aa094b9 · 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-2026-000103309
StatusPUBLIC

Content hashes

Canonical textede01bb2328077a72210495bff58345e94788bb6fcb7c7d2c98c919f20796e91
Markdownf3845f2641392d9f4ed282491eac951c1fbe63dd0fcbec7cae180891394bf276
PDF
Publication pageda70cb346656b06d8467c9bf779a5805d534eca0773bc2d3b2cc875c7c3b4d74
Manifest78ca649dfe992bea22d08f0507007a2b7214948abe5fb25db46dc64fb68ba15b

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
Signature1R15IoYo0OQqa8OwPstF0eZX1/UN37aEywwjmkPeot0OVRob2hpYRiLjKW2h0VQMy241o7s7XOKxHFlKS/GwBw==
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

2026-09-17T09:23:33.431552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103309
observed da70cb346656b06d8467c9bf779a5805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:33.413532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103309/manifest.json
observed 78ca649dfe992bea22d08f0507007a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:33.397147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103309/publication.md
observed f3845f2641392d9f4ed282491eac951c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:33.379812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103309/publication.txt
observed ede01bb2328077a72210495bff58345e...
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.