OpenTechnical

OT-2026-000054772

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000054772) never changes.

Identity and time

Publication numberOT-2026-000054772 · never reused
Internal UUID01a0ae86-1285-77b0-83f0-47bc42866646 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054772
StatusPUBLIC

Content hashes

Canonical texte41f004e57465388b973fee2422734156eb58fffb1b2aa9bb84242756a1f7f79
Markdownce976f97387584da963881f695982e1480abef68a51c5e41b4e2a28e4d2cb6f5
PDF
Publication page1201276ec049477dd430950b5cd87f36c38ab721f7ceafac1719ac5dbf64dae6
Manifest27dcccb2a2898eb67fb54fa55e00826a75c23f39d65d6879d8d1fe1f84975072

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
Signaturemhtk4TVCv8JP/XwHrzS7xL924QbnOcPn7jzCujRx9jqLLxVTzujNNWOgKRnRMwktO46UUJ6Y0rEB068zKzTDBw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:57.986344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054772
observed 1201276ec049477dd430950b5cd87f36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:57.967928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054772/manifest.json
observed 27dcccb2a2898eb67fb54fa55e00826a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:57.948695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054772/publication.md
observed ce976f97387584da963881f695982e14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:57.930490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054772/publication.txt
observed e41f004e57465388b973fee242273415...
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.