Pith Number

pith:EPPYKRJM

pith:1995:EPPYKRJMZAIZSJSQVYWOB3V56O

not attested not anchored not stored refs pending

ROSAT HRI observations of IRAS P09104+4109: a massive cooling flow

A.C. Fabian, C.S. Crawford (Institute of Astronomy)

arxiv:astro-ph/9505052 v1 · 1995-05-11 · 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{EPPYKRJMZAIZSJSQVYWOB3V56O}

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	2026-05-18T01:12:44.157994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23df85452cc811992650ae2ce0eebdf38b06e6f8dc164c5b5637fefd2fdf788c

Aliases

arxiv: astro-ph/9505052 · arxiv_version: astro-ph/9505052v1 · doi: 10.48550/arxiv.astro-ph/9505052 · pith_short_12: EPPYKRJMZAIZ · pith_short_16: EPPYKRJMZAIZSJSQ · pith_short_8: EPPYKRJM

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/EPPYKRJMZAIZSJSQVYWOB3V56O \
  | 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: 23df85452cc811992650ae2ce0eebdf38b06e6f8dc164c5b5637fefd2fdf788c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c95fe9af70d27aa87476591f2798d6c888851d9f3b2366fab924663cb05c911",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-05-11T15:44:59Z",
    "title_canon_sha256": "6f46405332ead78343d399779ca238e502c8084fabd4002bbcc8439828cd7943"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9505052",
    "kind": "arxiv",
    "version": 1
  }
}