Pith Number

pith:PF7P77JI

pith:1996:PF7P77JIKDKRHYAH4XM3XQRN4E

not attested not anchored not stored refs pending

Equation of State of the Photoionized Intergalactic Medium

Lam Hui, Nickolay Y. Gnedin

arxiv:astro-ph/9612232 v1 · 1996-12-26 · astro-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{PF7P77JIKDKRHYAH4XM3XQRN4E}

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.

Cited by

2 papers in Pith

Machine Learning Techniques for Astrophysics and Cosmology: Lyman-$\alpha$ forest

Cosmological analysis of the DESI DR1 Lyman alpha 1D power spectrum

Receipt and verification

First computed	2026-05-18T01:40:18.487490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

797efffd2850d513e007e5d9bbc22de13c4408c6ad4ccd377032f0dd6968a94e

Aliases

arxiv: astro-ph/9612232 · arxiv_version: astro-ph/9612232v1 · doi: 10.48550/arxiv.astro-ph/9612232 · pith_short_12: PF7P77JIKDKR · pith_short_16: PF7P77JIKDKRHYAH · pith_short_8: PF7P77JI

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/PF7P77JIKDKRHYAH4XM3XQRN4E \
  | 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: 797efffd2850d513e007e5d9bbc22de13c4408c6ad4ccd377032f0dd6968a94e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5b1582bc3b522be34409925ff7461d9227d33eeb131aa415e19a58c10f205a9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-12-26T21:05:42Z",
    "title_canon_sha256": "66bb8763ff9626aec03f26803da82fba41c6c120c2c1b2cfc46b71e84cfb41d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9612232",
    "kind": "arxiv",
    "version": 1
  }
}