OpenTechnical

OT-2026-000031105

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000031105) never changes.

Identity and time

Publication numberOT-2026-000031105 · never reused
Internal UUID01a0ae74-87aa-78b2-be39-0cb97b87f7e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031105
StatusPUBLIC

Content hashes

Canonical text93ad122264a9eb43167fe29d55cb0f6ca3dbcf29ade446b0a705c6e23030b3e0
Markdown7f91478cac7acd7128b077331b7da918ae121c6ce921dd5dc07dbfd117f451a0
PDF
Publication page1cc2db398d4f81a1b636faa2a12ae12f8a9ef25b3d8283bb3650da13d4705b70
Manifest57934c2126e5d4dac8391221860b56053b0db9b6beffe123778fc85934d27def

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
SignatureI0hCwDCdxrYzmlN+lOvRtLvb8eYpZfDt+R09uPP1Sdz1J2h8uP321gQ6ShVdbK2fNxMpf/sMMQWgoQOJWTJkCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:35:32.098025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031105
observed 1cc2db398d4f81a1b636faa2a12ae12f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:32.079915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031105/manifest.json
observed 57934c2126e5d4dac8391221860b5605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:32.063331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031105/publication.md
observed 7f91478cac7acd7128b077331b7da918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:32.045365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031105/publication.txt
observed 93ad122264a9eb43167fe29d55cb0f6c...
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.