Pith Number

pith:IOT6R6XF

pith:2013:IOT6R6XFGJJNRULATCVSX3PBCS

not attested not anchored not stored refs pending

Quasars Probing Quasars IV: Joint Constraints on the Circumgalactic Medium from Absorption and Emission

2) ((1) Max-Planck-Institut fur Astronomie, (2) UCO/Lick Observatory, Joseph F. Hennawi (1), J. Xavier Prochaska (1, UC Santa Cruz)

arxiv:1303.2708 v1 · 2013-03-11 · 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{IOT6R6XFGJJNRULATCVSX3PBCS}

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	2026-05-18T01:51:08.532282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43a7e8fae53252d8d16098ab2bede11489c71fe01380a0cb4e923d4ec100fe17

Aliases

arxiv: 1303.2708 · arxiv_version: 1303.2708v1 · doi: 10.48550/arxiv.1303.2708 · pith_short_12: IOT6R6XFGJJN · pith_short_16: IOT6R6XFGJJNRULA · pith_short_8: IOT6R6XF

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/IOT6R6XFGJJNRULATCVSX3PBCS \
  | 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: 43a7e8fae53252d8d16098ab2bede11489c71fe01380a0cb4e923d4ec100fe17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d68f1b08e8b931cb243af800d4ff7e51786480c976b1e42ce7dcf78b74b636c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-11T22:55:06Z",
    "title_canon_sha256": "83594a71845b297f3ef0be299194cc8a38dcaf80d052dc8bd2c72fb5004e4fe6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2708",
    "kind": "arxiv",
    "version": 1
  }
}