Pith Number

pith:33IAOBIQ

pith:2012:33IAOBIQ5SBTSQIEWQMKBIZSJF

not attested not anchored not stored refs pending

The Ultraviolet Spectral Energy Distributions of Quiescent Black Holes and Neutron Stars

E.L. Robinson (Univ. Texas at Austin), R.I. Hynes (Louisiana State Univ.)

arxiv:1201.5680 v1 · 2012-01-27 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{33IAOBIQ5SBTSQIEWQMKBIZSJF}

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	2026-05-18T01:58:41.073538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ded0070510ec83394104b418a0a3324978b5202619fee8617077ca9852d65ae8

Aliases

arxiv: 1201.5680 · arxiv_version: 1201.5680v1 · doi: 10.48550/arxiv.1201.5680 · pith_short_12: 33IAOBIQ5SBT · pith_short_16: 33IAOBIQ5SBTSQIE · pith_short_8: 33IAOBIQ

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/33IAOBIQ5SBTSQIEWQMKBIZSJF \
  | 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: ded0070510ec83394104b418a0a3324978b5202619fee8617077ca9852d65ae8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be55ba398c71b05b8ab4955a4958b8ab43d5c8c3c565e48723b8adbae9649162",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-01-27T00:14:57Z",
    "title_canon_sha256": "75b8cab58537c559821fb5aa28a3c67c989c27b5210e967d73459f6ac64f9c9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5680",
    "kind": "arxiv",
    "version": 1
  }
}