Pith Number

pith:PQMBNNGQ

pith:2002:PQMBNNGQSULZIXZRSHUCY3EJRK

not attested not anchored not stored refs pending

The mass profile of A1413 observed with XMM-Newton: implications for the M-T relation

G.W. Pratt, M. Arnaud

arxiv:astro-ph/0207315 v1 · 2002-07-15 · 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{PQMBNNGQSULZIXZRSHUCY3EJRK}

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	2026-07-04T15:20:09.441027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c1816b4d09517945f3191e82c6c898abdb9555dc9c312c852fa13e219333c89

Aliases

arxiv: astro-ph/0207315 · arxiv_version: astro-ph/0207315v1 · doi: 10.48550/arxiv.astro-ph/0207315 · pith_short_12: PQMBNNGQSULZ · pith_short_16: PQMBNNGQSULZIXZR · pith_short_8: PQMBNNGQ

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/PQMBNNGQSULZIXZRSHUCY3EJRK \
  | 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: 7c1816b4d09517945f3191e82c6c898abdb9555dc9c312c852fa13e219333c89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fca737cccad517410f22b82b4220d95cf2c6c859bad9fcf05d0c334679641955",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-07-15T16:12:30Z",
    "title_canon_sha256": "113c1e96dcb452fa8241054589e162356eca477ca78cd6f2a4ece8f4682c4946"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207315",
    "kind": "arxiv",
    "version": 1
  }
}