OpenTechnical

OT-2026-000026629

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000026629) never changes.

Identity and time

Publication numberOT-2026-000026629 · never reused
Internal UUID01a0ae71-f4aa-740f-bb6b-7a41764b7897 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026629
StatusPUBLIC

Content hashes

Canonical textc36d385204f797f2da3455929f4f1d4008c6679e2729c10b8858973cf9ce3094
Markdown01770f4a6b62bbaac2b8f3a572d68964ab080be3a50e8011110849b71af5f865
PDF
Publication pageea8b04f0c98c1bc4491e147bba06df71174779df753e36c092b469da620fa57e
Manifest77773349f9222f20dda3e761e863af0f8f53891336820c012f0880edaea62e5e

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
Signaturet1HBWeD99RQuUEMjzSTZ4HUS6e3PSXoJNzerCq0lWqzwSeoYS3QVcJXjN3H6Gc38KWin/34XpPVJo3sb43xHAw==
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

2026-09-17T11:45:42.306114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026629
observed ea8b04f0c98c1bc4491e147bba06df71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:42.282378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026629/manifest.json
observed 77773349f9222f20dda3e761e863af0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:42.257641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026629/publication.md
observed 01770f4a6b62bbaac2b8f3a572d68964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:42.237999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026629/publication.txt
observed c36d385204f797f2da3455929f4f1d40...
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.