OpenTechnical

OT-2026-000103649

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pulsed blow-off after 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-2026-000103649) never changes.

Identity and time

Publication numberOT-2026-000103649 · never reused
Internal UUID01a0aea4-e462-798f-8ca8-a756f35cb6f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103649
StatusPUBLIC

Content hashes

Canonical text2ed25fffc9274180e4fea6a3a4064437d1be95c3f648d64c282ec06577c954f8
Markdown490d24be23582832ed3394e85e9cf25659b198fcfded0a1dba252559f444357a
PDF
Publication page6e96302b062d53ca27ac6f737752b3ee2a1929c5042725a6365d690f410c3902
Manifestc622050ed57c3eeb63c17c4b289aa7b57e3f43a0d41f2ac7323a413b4dda302b

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
SignaturenRCGxZEDEU5V4iW5a7Kx8igsfgFyCbCnD1M08E6UXjW6fxBrq313orBw/ne3WJraSZ7V0GuKW9h13v0EgeokDA==
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

2026-09-17T09:22:26.872354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103649
observed 6e96302b062d53ca27ac6f737752b3ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.856787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103649/manifest.json
observed c622050ed57c3eeb63c17c4b289aa7b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.841111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103649/publication.md
observed 490d24be23582832ed3394e85e9cf256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.824227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103649/publication.txt
observed 2ed25fffc9274180e4fea6a3a4064437...
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.