OpenTechnical

OT-2026-000031819

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000031819) never changes.

Identity and time

Publication numberOT-2026-000031819 · never reused
Internal UUID01a0ae74-bad1-77bf-b616-cf66dace1d98 · 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-2026-000031819
StatusPUBLIC

Content hashes

Canonical text616991d22d1237690167445ee95f58fbad4de86b53538517f239dff320b7ebb8
Markdown881116bdd486210ac0ed9c909a0bade32c450d2b0bc05b5e9225ec8b7f3dd533
PDF
Publication page3fc1af1567058040894b814e0fc23f2c706669c98fac3814c0369cf7cc434706
Manifestc8655d370ce0aa9201076f46d68d8831487fdda82ae0039775f0d0c804e977a3

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
SignatureqF8ZTVScXwRZ7/w7mqXL4zUPogqZJDMO9rOa+UG9LblX3PwgWqErJpQwt5l78rqvnR4u293iy+WXfTLwxRwtBw==
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

2026-09-17T11:34:58.987974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031819
observed 3fc1af1567058040894b814e0fc23f2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:58.965965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031819/manifest.json
observed c8655d370ce0aa9201076f46d68d8831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:58.935339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031819/publication.md
observed 881116bdd486210ac0ed9c909a0bade3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:58.910976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031819/publication.txt
observed 616991d22d1237690167445ee95f58fb...
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.