OpenTechnical

OT-2026-000013788

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000013788) never changes.

Identity and time

Publication numberOT-2026-000013788 · never reused
Internal UUID01a0ae6d-8de9-7ff6-be85-1d44abe42350 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013788
StatusPUBLIC

Content hashes

Canonical text8a0c9bfbe236b182237c3b953c520266988db5eaae28815ca4dfdef6b076907d
Markdown914b01057fbb1d796ce324e05800b96e86108ccdd10f6ed5e9fce2bcce5bc4b8
PDF
Publication pageae7315f3a46ebfd37c749c7f3e0c4b3327a6e559e9bbca4f45bf602d3b6195f9
Manifest0ed179ac9ef27753438a53a7b0a4c1b5dd92c65b7d9ca216308be5d5e3757f9e

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
SignatureJXHf+Z0lQlic7588cfnkWbC8nyLzFVXzGp39REaeqBPDT/a2ZbJ7cffxS5GmCXnkradhGcCZmbq60+DRMOnBBA==
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

2026-09-17T12:08:52.519362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013788
observed ae7315f3a46ebfd37c749c7f3e0c4b33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:52.500424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013788/manifest.json
observed 0ed179ac9ef27753438a53a7b0a4c1b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:52.479141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013788/publication.md
observed 914b01057fbb1d796ce324e05800b96e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:52.459656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013788/publication.txt
observed 8a0c9bfbe236b182237c3b953c520266...
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.