Pith Number

pith:YWIWBVM5

pith:2007:YWIWBVM5WUMTKXSTZNW5QLGPP6

not attested not anchored not stored refs pending

Long term hard X-ray variability of the anomalous X-ray pulsar 1RXS J170849.0-400910 discovered with INTEGRAL

A. Tiengo, D. Gotz, E.V. Gotthelf, G.L. Israel, N. Rea, P. Esposito, R. Turolla, S. Mereghetti, S. Zane

arxiv:0709.3712 v1 · 2007-09-24 · 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{YWIWBVM5WUMTKXSTZNW5QLGPP6}

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	2026-07-04T17:05:50.344930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c59160d59db519355e53cb6dd82ccf7fa1be21d3d4edeee2393b15611e744854

Aliases

arxiv: 0709.3712 · arxiv_version: 0709.3712v1 · doi: 10.48550/arxiv.0709.3712 · pith_short_12: YWIWBVM5WUMT · pith_short_16: YWIWBVM5WUMTKXST · pith_short_8: YWIWBVM5

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/YWIWBVM5WUMTKXSTZNW5QLGPP6 \
  | 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: c59160d59db519355e53cb6dd82ccf7fa1be21d3d4edeee2393b15611e744854

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d25d22141c2557530b6e40b3152ed6ce2ef9998c618f5946d22907e032386658",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-09-24T09:01:19Z",
    "title_canon_sha256": "4bbb9b56bbbb6fec2604df4d6df6d26fcd7af3681a246a7bfcbe71ac5ea5c937"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.3712",
    "kind": "arxiv",
    "version": 1
  }
}