OpenTechnical

OT-2026-000056845

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000056845) never changes.

Identity and time

Publication numberOT-2026-000056845 · never reused
Internal UUID01a0ae87-7af8-7360-8e45-983b5c806f17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056845
StatusPUBLIC

Content hashes

Canonical text11de4f3233d8fd51113708ca320af8a9ba96399a7ea2f164c9d8e97771660b71
Markdown9354ffed7680ebac1d7537e8c7e64a7836f2e384166636803af921f1113eedde
PDF
Publication pageb5cc642c6e314b297e90cf935f4c56f91e8508f2b3d3b6feffea44439dd1526f
Manifest42dfce802715888111758870966905802cd27aaa27bb5a43c493a85db276d249

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
SignatureI1U+42Nn8aSSDdnMlLeDnNUJAYO6wl6f/LkFv38PYuiHU7mf6T6p+2sIaan9pS4+0Aj1GorAhpkLdWiwJ+J/CQ==
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

2026-09-17T10:50:20.656150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056845
observed b5cc642c6e314b297e90cf935f4c56f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.639183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056845/manifest.json
observed 42dfce80271588811175887096690580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.620618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056845/publication.md
observed 9354ffed7680ebac1d7537e8c7e64a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.600393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056845/publication.txt
observed 11de4f3233d8fd51113708ca320af8a9...
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.