OpenTechnical

OT-2026-000047972

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000047972) never changes.

Identity and time

Publication numberOT-2026-000047972 · never reused
Internal UUID01a0ae7f-c422-78d1-98d6-6a14bdc77860 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047972
StatusPUBLIC

Content hashes

Canonical textbf4f1d71f804fefc91f6c0b66a2c27c1efdfdb59247fcee83dfea7d74d9a79d2
Markdown889639c20c9fac1933cb3a1614b98b3d086d0ac1b8e717a60e5642497601d069
PDF
Publication page8935d868536854864ba10be5655f259ca789637295bb3f7e17d5e298642b3428
Manifest349537d0aa0176c0f43c89292720dc75895961a85b9d22dda7d896abd79b0470

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
Signaturegq+yFxkV5U5GKO3fzHPkhIMgMAP1jPP/kdEiTpL4mHE77x78vSTlxASqZqoSJN7TyMGXmqu5RwmjvSK/EJ8OAg==
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

2026-09-17T11:05:57.017421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047972
observed 8935d868536854864ba10be5655f259c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:56.996081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047972/manifest.json
observed 349537d0aa0176c0f43c89292720dc75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:56.977286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047972/publication.md
observed 889639c20c9fac1933cb3a1614b98b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:56.959266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047972/publication.txt
observed bf4f1d71f804fefc91f6c0b66a2c27c1...
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.