Pith Number

pith:HLZ4CIPA

pith:2010:HLZ4CIPAJT2N2ZBIHMLB34VSEC

not attested not anchored not stored refs pending

Analysis of a State Changing Supersoft X-ray Source in M31

Brandon Patel, Francis A. Primini, Jifeng Liu, Rosanne Di Stefano, Sarah Scoles, Thomas Nelson

arxiv:1008.2158 v2 · 2010-08-12 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HLZ4CIPAJT2N2ZBIHMLB34VSEC}

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	2026-05-18T03:25:14.873834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3af3c121e04cf4dd64283b161df2b2209b98c6520d74df0c165576080736dab9

Aliases

arxiv: 1008.2158 · arxiv_version: 1008.2158v2 · doi: 10.48550/arxiv.1008.2158 · pith_short_12: HLZ4CIPAJT2N · pith_short_16: HLZ4CIPAJT2N2ZBI · pith_short_8: HLZ4CIPA

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/HLZ4CIPAJT2N2ZBIHMLB34VSEC \
  | 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: 3af3c121e04cf4dd64283b161df2b2209b98c6520d74df0c165576080736dab9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af313466ddd74b05893492fc507eb7aada0d3b3dbdd067dc02c591fa5aa06d1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-08-12T16:15:24Z",
    "title_canon_sha256": "ef5df1f614dc143234e72fbbce85628d301142fcb5b8ef184890896eea829b67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2158",
    "kind": "arxiv",
    "version": 2
  }
}