Pith Number

pith:K6SQQYUP

pith:2016:K6SQQYUPVLASK7TLLIABHDLNVN

not attested not anchored not stored refs pending

Dicke's Superradiance in Astrophysics. I -- The 21 cm Line

Fereshteh Rajabi, Martin Houde

arxiv:1601.01717 v2 · 2016-01-05 · astro-ph.GA · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K6SQQYUPVLASK7TLLIABHDLNVN}

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	2026-05-18T01:08:42.943794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57a508628faac1257e6b5a00138d6dab480c304c3fcf3299ac2a7c21eaa7752b

Aliases

arxiv: 1601.01717 · arxiv_version: 1601.01717v2 · doi: 10.48550/arxiv.1601.01717 · pith_short_12: K6SQQYUPVLAS · pith_short_16: K6SQQYUPVLASK7TL · pith_short_8: K6SQQYUP

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/K6SQQYUPVLASK7TLLIABHDLNVN \
  | 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: 57a508628faac1257e6b5a00138d6dab480c304c3fcf3299ac2a7c21eaa7752b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e15a29ca27b69b8dce14debdea737be11988bfec3204e052eecf69068aa144c0",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-01-05T21:42:32Z",
    "title_canon_sha256": "4382c6e126bcf7047e7c0ddf098df30e5cfe4dc1c9a86fb28afa98e2d9df6253"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01717",
    "kind": "arxiv",
    "version": 2
  }
}