Pith Number

pith:SPQGWYE7

pith:2013:SPQGWYE7PXDPXQED5C5RJBVBOV

not attested not anchored not stored refs pending

Bringing Simulation and Observation Together to Better Understand the Intergalactic Medium

Brian W. O'Shea, Britton D. Smith, Hilary Egan, J. Michael Shull

arxiv:1307.2244 v3 · 2013-07-08 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPQGWYE7PXDPXQED5C5RJBVBOV}

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	2026-05-18T01:48:58.550856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93e06b609f7dc6fbc083e8bb1486a1756261ca5ed406ff1003ad9c88fe6a372c

Aliases

arxiv: 1307.2244 · arxiv_version: 1307.2244v3 · doi: 10.48550/arxiv.1307.2244 · pith_short_12: SPQGWYE7PXDP · pith_short_16: SPQGWYE7PXDPXQED · pith_short_8: SPQGWYE7

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/SPQGWYE7PXDPXQED5C5RJBVBOV \
  | 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: 93e06b609f7dc6fbc083e8bb1486a1756261ca5ed406ff1003ad9c88fe6a372c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9600e3fdc11ed988abe0c33af491dbf528e46765ed76c3a8532db6c4c1b99c76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-08T20:00:05Z",
    "title_canon_sha256": "233b8f0e4e3c60d68e890ac49521af264f8565dc11e0d9fc6394ec7ab9669c8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2244",
    "kind": "arxiv",
    "version": 3
  }
}