OpenTechnical

OT-2026-000100868

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100868) never changes.

Identity and time

Publication numberOT-2026-000100868 · never reused
Internal UUID01a0aea3-66f5-7d20-8384-20ba09dbbc2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100868
StatusPUBLIC

Content hashes

Canonical text2219e0bed97a566f7f40a7053e0c7b5f06bf68dc69fcf68f1cb3f175426e72da
Markdown82e7e77f37bca3a4679346ccd3a2d767fa58f7e2c025727405645ac9f1e5abee
PDF
Publication pagef7be78bbe9ba9710cc12b996c759d7951699e387602ba738cd04ae2c7ae567ac
Manifest647ed93e357307dd96f195ed212331134cb51d8b88a0ebdf975db1f10157a91b

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
Signaturem2zKnJZzHD6VOvBXkFrwNxQs7L1U1kCpB1Tpwtp4MnTG3gxwUVn1nXRQj4zlJGTb6WxuJdIG1/6zcd9Gy5wGDA==
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

2026-09-17T09:27:48.074403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100868
observed f7be78bbe9ba9710cc12b996c759d795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:48.055487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100868/manifest.json
observed 647ed93e357307dd96f195ed21233113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:48.036191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100868/publication.md
observed 82e7e77f37bca3a4679346ccd3a2d767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:48.018877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100868/publication.txt
observed 2219e0bed97a566f7f40a7053e0c7b5f...
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.