OpenTechnical

OT-2026-000023103

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000023103) never changes.

Identity and time

Publication numberOT-2026-000023103 · never reused
Internal UUID01a0ae70-46ed-78bc-a9eb-2e917f1f3261 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023103
StatusPUBLIC

Content hashes

Canonical textec95d2d6b49797f165b1ec994366b4908beaeda5b0c24e4d3e00cf5fffb22f76
Markdown891e90a8c6c402cce6910339bba56d6fc52a0d438881821a9b8ce49df3666125
PDF
Publication page14972f519f2d9138925518496b1c3883f84b23795ab3f971543537bbcdd9c0cf
Manifesta79b13107b86e7d7fbba1186f4a536cab4df2f94da9384a7776664607bba950e

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
Signature86Kt+BgqVtNPSpgzOhxN7DRZuzVArBC3xXgm94Sfb1L5H8lkKipFC82GTTDDYZCnEnL4fhA7HFHb0UsjM3XZCA==
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

2026-09-17T11:52:44.375830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023103
observed 14972f519f2d9138925518496b1c3883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:44.358764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023103/manifest.json
observed a79b13107b86e7d7fbba1186f4a536ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:44.338992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023103/publication.md
observed 891e90a8c6c402cce6910339bba56d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:44.319884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023103/publication.txt
observed ec95d2d6b49797f165b1ec994366b490...
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.