Pith Number

pith:LD53J6HZ

pith:2019:LD53J6HZUU753YZXQE4XDRLFFR

not attested not anchored not stored refs pending

Response to 'Room Temperature, Quantum-Limited THz Heterodyne Detection? Not Yet'

Mona Jarrahi, Yen-Ju Lin

arxiv:1908.05140 v2 · 2019-08-13 · astro-ph.IM · physics.app-ph · physics.ins-det

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LD53J6HZUU753YZXQE4XDRLFFR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T00:03:17.171348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58fbb4f8f9a53fdde337813971c5652c738fa7de547b3fef67c1e8449b250c76

Aliases

arxiv: 1908.05140 · arxiv_version: 1908.05140v2 · doi: 10.48550/arxiv.1908.05140 · pith_short_12: LD53J6HZUU75 · pith_short_16: LD53J6HZUU753YZX · pith_short_8: LD53J6HZ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/LD53J6HZUU753YZXQE4XDRLFFR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 58fbb4f8f9a53fdde337813971c5652c738fa7de547b3fef67c1e8449b250c76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11333cc9c59d40e0a9855146b0992bbbb147fc4a3b6666766a248d1ca51cf16e",
    "cross_cats_sorted": [
      "physics.app-ph",
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-08-13T07:09:20Z",
    "title_canon_sha256": "b32fa72794adcf7b8186ce2d6891479d6ab9ca3eaa020295e827ad3f175932cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05140",
    "kind": "arxiv",
    "version": 2
  }
}