OpenTechnical

OT-2026-000016325

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000016325) never changes.

Identity and time

Publication numberOT-2026-000016325 · never reused
Internal UUID01a0ae6e-2d12-796b-aa1a-f56842fb1887 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016325
StatusPUBLIC

Content hashes

Canonical text340579c28c34564a90dd18c5ea6096f818eaa1cf9b533e693bf1582edc321411
Markdown08d1b1512ff94cab8bd5169ef313a769e671536b9eee5e0510f41de1dd6189aa
PDF
Publication page0100acc99825b99fe65f7331558372c1092a50daf6a40bf83e888d9b29062eee
Manifest762c0eb4238e05ab11fc033f15399c1facba674d45451b1f486108e006c1a35a

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
Signature/bFjZceOH0rEC2NvFawflP58tDIIbFTQlvrF1oseLVXu6YADzPD0bz70bV9jSnTkKUjSvPLHmihg7L3wW5TiAQ==
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

2026-09-17T12:03:49.656641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016325
observed 0100acc99825b99fe65f7331558372c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:49.638322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016325/manifest.json
observed 762c0eb4238e05ab11fc033f15399c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:49.620466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016325/publication.md
observed 08d1b1512ff94cab8bd5169ef313a769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:49.603148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016325/publication.txt
observed 340579c28c34564a90dd18c5ea6096f8...
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.