Pith Number

pith:ABZOQCWA

pith:2012:ABZOQCWAGYIH6LCHUQBPIQP6XE

not attested not anchored not stored refs pending

Supergiant, fast, but not so transient 4U 1907+09

A. Santangelo, D. Klochkov, L. Ducci, V. Doroshenko

arxiv:1210.4428 v1 · 2012-10-16 · 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{ABZOQCWAGYIH6LCHUQBPIQP6XE}

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	2026-05-18T03:43:05.992106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0072e80ac036107f2c47a402f441feb90a8bd7f3977d70d61945b2b915fe33b8

Aliases

arxiv: 1210.4428 · arxiv_version: 1210.4428v1 · doi: 10.48550/arxiv.1210.4428 · pith_short_12: ABZOQCWAGYIH · pith_short_16: ABZOQCWAGYIH6LCH · pith_short_8: ABZOQCWA

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/ABZOQCWAGYIH6LCHUQBPIQP6XE \
  | 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: 0072e80ac036107f2c47a402f441feb90a8bd7f3977d70d61945b2b915fe33b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2845d52abee8a3dd840c3194d76891f95cc4e56643ae5659bc95b6cb2fa3d07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-10-16T14:28:16Z",
    "title_canon_sha256": "9b794ab8627d34c0e44a49147a41daf059c565ab566673c2890dce53b2da9a21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4428",
    "kind": "arxiv",
    "version": 1
  }
}