OpenTechnical

OT-2026-000100988

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000100988) never changes.

Identity and time

Publication numberOT-2026-000100988 · never reused
Internal UUID01a0aea3-c377-7540-84ed-b057db1212bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100988
StatusPUBLIC

Content hashes

Canonical textaa4acd5e39350c17ef59f80aa3617e939e185cc0ce7d0b1119e0760952564544
Markdownf1812b1d8339bc0fa77ababacba51457b897cdf39ed9b7e2ee0a58e67f484d5a
PDF
Publication page136025084b16d2f9e4055ee3d8e93c876216f2d01204fb1cfc1fcc0bdb0c043b
Manifest7ce40cb3f41add4dc92b80c05201e43ca741771e04b23a1489fb98aad8fe6517

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
SignatureUe/nj4CV4E4xvoi1E0AwcCJptXvldelFn6UiWTwIpPfBsdQOWNqdRcQ2S8rmEX1IdpvzMt7gu46U/wSLd8rZAA==
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

2026-09-17T09:26:35.157159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100988
observed 136025084b16d2f9e4055ee3d8e93c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.138858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100988/manifest.json
observed 7ce40cb3f41add4dc92b80c05201e43c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.121524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100988/publication.md
observed f1812b1d8339bc0fa77ababacba51457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.103783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100988/publication.txt
observed aa4acd5e39350c17ef59f80aa3617e93...
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.