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Pith Number

pith:UBLULQFV

pith:2000:UBLULQFVFO4YHRWMO4YRL4JSQU
not attested not anchored not stored refs pending

X-ray total mass estimate for the nearby relaxed cluster A3571

2), (2) Observatory, 3), (3) Space Research Institute, Cambridge, Finland, J. Nevalainen (1, M. Markevitch (1, Russia), Russian Acad. of Sci., University of Helsinki, USA, W.R. Forman (1) ((1) Harvard Smithsonian Center for Astrophysics

arxiv:astro-ph/0001162 v1 · 2000-01-10 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UBLULQFVFO4YHRWMO4YRL4JSQU}

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

1 paper in Pith

Receipt and verification
First computed 2026-07-04T16:15:54.036207Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a05745c0b52bb983c6cc773115f13285236c5bff0b17e154bd25bbb203dc9bd7

Aliases

arxiv: astro-ph/0001162 · arxiv_version: astro-ph/0001162v1 · doi: 10.48550/arxiv.astro-ph/0001162 · pith_short_12: UBLULQFVFO4Y · pith_short_16: UBLULQFVFO4YHRWM · pith_short_8: UBLULQFV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UBLULQFVFO4YHRWMO4YRL4JSQU \
  | 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: a05745c0b52bb983c6cc773115f13285236c5bff0b17e154bd25bbb203dc9bd7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0624f5f0739c9cba7f20dfa0914a824b705a810b4908bec3285305adf110caa9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-01-10T18:40:01Z",
    "title_canon_sha256": "cf4f963f947e614dc5b2d61f1f21180a7034d099e3bc1679bce242560595e4fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0001162",
    "kind": "arxiv",
    "version": 1
  }
}