OpenTechnical

OT-2026-000061669

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000061669) never changes.

Identity and time

Publication numberOT-2026-000061669 · never reused
Internal UUID01a0ae8b-b8aa-715f-a2cd-cf5a255efb64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061669
StatusPUBLIC

Content hashes

Canonical textda697481788a607150bcfd334d64a2634b43b27d59e89e9cd08c6badbc6b7e77
Markdownac862a7a9b3afaceb41e71d6aaada9ce64dc4e7521a0f84a23847ddba32269d8
PDF
Publication page6f05f5b2c3d9a81f1293f030e13ee460b6f4b962ac955edcc544c2b6a849c06a
Manifest9973c7e90afbbccc4ebd347abf41718317f4e2151bacf27c0ca7455fa26ba4d9

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
SignatureUdo04dz83Dpp9yoVZgO/DOsdLf+EsZCVp5ZyX18wiAO8xfdaht9lidotxbfEHVMIFqM1XZTmkj+nrO84DUhRCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:13.210547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061669
observed 6f05f5b2c3d9a81f1293f030e13ee460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.187034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061669/manifest.json
observed 9973c7e90afbbccc4ebd347abf417183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.166764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061669/publication.md
observed ac862a7a9b3afaceb41e71d6aaada9ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.143175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061669/publication.txt
observed da697481788a607150bcfd334d64a263...
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.