OpenTechnical

OT-2026-000010159

Publication integrity record

Foam pad vacuum gripper, pump fed, sustained blow-off after 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-2026-000010159) never changes.

Identity and time

Publication numberOT-2026-000010159 · never reused
Internal UUID01a0ae6b-cb7a-78ac-afce-764f6e5b82c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010159
StatusPUBLIC

Content hashes

Canonical textd515604cc7da13111e93e2aa312beffffc9a6244884d252981fa8ae37bfdf1b3
Markdown5abf5ba907c2bf3d138a477990c26f67cdbced7faf4a55b97780df27ccbe1d3d
PDF
Publication page5bf07341f753c48a1c64183ec719656a0ece646a0dbc556a411f9a7aba912467
Manifest26f7549f1e3cdb45145324063c5c99733d0e91e95bb6ac0a46cfb4178f4a58e3

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
Signature2bKolTf05T4pihsJaufWxWZ1EnC09xrhVWIUxMO4FXpmm5fG09tGgXlp+aRePLokOP/crlSGVj+t8+ZmuUTJDg==
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

2026-09-17T12:16:15.960663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010159
observed 5bf07341f753c48a1c64183ec719656a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:15.941497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010159/manifest.json
observed 26f7549f1e3cdb45145324063c5c9973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:15.922406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010159/publication.md
observed 5abf5ba907c2bf3d138a477990c26f67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:15.904859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010159/publication.txt
observed d515604cc7da13111e93e2aa312befff...
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.