Pith Number

pith:V77EMTL3

pith:2015:V77EMTL3UL2SDQO6JX6VZY2B7X

not attested not anchored not stored refs pending

An Improved Treatment of Cosmological Intergalactic Medium Evolution

Alberto Manrique, Eduard Salvador-Sol\'e

arxiv:1502.04648 v1 · 2015-02-16 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V77EMTL3UL2SDQO6JX6VZY2B7X}

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	2026-05-18T01:41:01.340730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

affe464d7ba2f521c1de4dfd5ce341fde34f39f62583c954baa28f1d70488932

Aliases

arxiv: 1502.04648 · arxiv_version: 1502.04648v1 · doi: 10.48550/arxiv.1502.04648 · pith_short_12: V77EMTL3UL2S · pith_short_16: V77EMTL3UL2SDQO6 · pith_short_8: V77EMTL3

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/V77EMTL3UL2SDQO6JX6VZY2B7X \
  | 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: affe464d7ba2f521c1de4dfd5ce341fde34f39f62583c954baa28f1d70488932

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e380dd16e6773e84345fbc55c0737bc0a8e812d19349612427b898deb8da6dba",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-02-16T17:54:00Z",
    "title_canon_sha256": "a318e3464df35ffdd6d78c4c967959895d99db7c84bf8b28f768c0f6f17fe4fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04648",
    "kind": "arxiv",
    "version": 1
  }
}