OpenTechnical

OT-2026-000018744

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000018744) never changes.

Identity and time

Publication numberOT-2026-000018744 · never reused
Internal UUID01a0ae6e-d521-76ce-9918-70e284ccc082 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018744
StatusPUBLIC

Content hashes

Canonical texta5a48f74c243050fb8f080387e46699d20ae2e9d8595ae73584248426148e240
Markdown190c415f7d8f1c666ca316e6bce77bdaf580469cf94a0aa7accfd55a9b9b2fcd
PDF
Publication pagec40010bdbedbe6779308fc3697cf489da196f7acee11a686a0c2bfc91acec3ad
Manifest373412e42dc83fe24cbf88c719d4519e83ca8e45a52cc5fa3d2b08253d2d3ebb

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
SignatureFe6XtPT4oA4gcXGxd6n4NtKvPU+Bj2c2fMeymfwrp+xq0ti1yK3ySVGS2sLLNgwHTUxOC7CCFONyFh05U1zhCA==
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

2026-09-17T11:59:21.461675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018744
observed c40010bdbedbe6779308fc3697cf489d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:21.443705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018744/manifest.json
observed 373412e42dc83fe24cbf88c719d4519e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:21.421531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018744/publication.md
observed 190c415f7d8f1c666ca316e6bce77bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:21.401821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018744/publication.txt
observed a5a48f74c243050fb8f080387e46699d...
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.