OpenTechnical

OT-2026-000043299

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000043299) never changes.

Identity and time

Publication numberOT-2026-000043299 · never reused
Internal UUID01a0ae7b-327d-7a05-9b6d-6a6403096813 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043299
StatusPUBLIC

Content hashes

Canonical text3561abd7d71860329eac4a731e2d04c89c7897fef291b8b5fbf039f22714e549
Markdown5be1a8939c017ebbcb6be95f0fa8f70cb106270969fa02d1b655542010a53252
PDF
Publication pageb8aa50e700d9c38216bd8d9a0fbf23fb778249bbc480d2373711e0104e9ae044
Manifest038029b98b2be16fe23ba777e72454d48e59aa80d8e47d8dd573d90db02079a6

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
SignaturetbpTpORmuDWPl3HNOgaT0X0UKNIxl40AqBsDidMzPDZ3mqcgrBkZKB21A9vLESvuBxxmaFAuy7nfFsDWq5HcCA==
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

2026-09-17T11:13:47.760278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043299
observed b8aa50e700d9c38216bd8d9a0fbf23fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.739887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043299/manifest.json
observed 038029b98b2be16fe23ba777e72454d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.719605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043299/publication.md
observed 5be1a8939c017ebbcb6be95f0fa8f70c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.699919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043299/publication.txt
observed 3561abd7d71860329eac4a731e2d04c8...
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.