Pith Number

pith:ACOQNYKH

pith:1997:ACOQNYKHYBR2X5H3Q37PEBI2YK

not attested not anchored not stored refs pending

The Properties of the Hot Gas in Galaxy Groups and Clusters from 1-D Hydrodynamical Simulations -- I. Cosmological Infall Models

P.A. Knight, T.J. Ponman (University of Birmingham, UK)

arxiv:astro-ph/9704064 v1 · 1997-04-08 · 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{ACOQNYKHYBR2X5H3Q37PEBI2YK}

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	2026-05-18T01:40:17.828906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

009d06e147c063abf4fb86fef2051ac28a13f0db95d70bae786fdd58cb228b22

Aliases

arxiv: astro-ph/9704064 · arxiv_version: astro-ph/9704064v1 · doi: 10.48550/arxiv.astro-ph/9704064 · pith_short_12: ACOQNYKHYBR2 · pith_short_16: ACOQNYKHYBR2X5H3 · pith_short_8: ACOQNYKH

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/ACOQNYKHYBR2X5H3Q37PEBI2YK \
  | 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: 009d06e147c063abf4fb86fef2051ac28a13f0db95d70bae786fdd58cb228b22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17f0023d92ebe61c2ee2edab2011efb4150bb5b3497e74f4adf0020c13c56401",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-04-08T15:12:55Z",
    "title_canon_sha256": "5ef9c989972f375d924f5854318a51d67c7abf74627b08ab331be1138a19e976"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9704064",
    "kind": "arxiv",
    "version": 1
  }
}