OpenTechnical

OT-2026-000031649

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000031649) never changes.

Identity and time

Publication numberOT-2026-000031649 · never reused
Internal UUID01a0ae74-bad0-7d3a-881b-340691b70cbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031649
StatusPUBLIC

Content hashes

Canonical text9081c345f6243b111e9919c605d32624bb5c7093e2af5ed1f266d558c7cebed7
Markdown347b0b69ca300db29ad0bead9cd66a0647fd2eaae170ce74e5bc7d8d25f6b67a
PDF
Publication pagec1e6f73c12f0bf40a17da747dddf0670755007bb800458fada8e644e73d3c95a
Manifestc2ae9f056aafdbd54e64b2afa5a5af20f00cefd92149416ffc54c7df9fc2c3e3

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
SignatureE45oHroBVEwKlF+QhW4tdhIhP5Sj0t57Eg8D0roLCWcwUPX7RVKZuzSbZTwpbZM0lQzyBDnopmcBtKX/mri/DQ==
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

2026-09-17T11:34:42.361300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031649
observed c1e6f73c12f0bf40a17da747dddf0670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.343715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031649/manifest.json
observed c2ae9f056aafdbd54e64b2afa5a5af20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.328309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031649/publication.md
observed 347b0b69ca300db29ad0bead9cd66a06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.311131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031649/publication.txt
observed 9081c345f6243b111e9919c605d32624...
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.