Pith Number

pith:PHRH5OOJ

pith:2011:PHRH5OOJTKBZ363ZFKZTETWTV7

not attested not anchored not stored refs pending

A time-variable, phase-dependent emission line in the X-ray spectrum of the isolated neutron star RX J0822-4300

A. De Luca, A. Sartori, A. Tiengo, D. Salvetti, F. Pizzolato, G. F. Bignami, P. A. Caraveo, P. Esposito, R. P. Mignani, R. Turolla, S. Mereghetti, S. Zane

arxiv:1112.4602 v1 · 2011-12-20 · 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{PHRH5OOJTKBZ363ZFKZTETWTV7}

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	2026-05-18T01:59:04.873709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79e27eb9c99a839dfb792ab3324ed3afd09f97bc39ba7789edd4fd6a2af1859a

Aliases

arxiv: 1112.4602 · arxiv_version: 1112.4602v1 · doi: 10.48550/arxiv.1112.4602 · pith_short_12: PHRH5OOJTKBZ · pith_short_16: PHRH5OOJTKBZ363Z · pith_short_8: PHRH5OOJ

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/PHRH5OOJTKBZ363ZFKZTETWTV7 \
  | 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: 79e27eb9c99a839dfb792ab3324ed3afd09f97bc39ba7789edd4fd6a2af1859a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c32fcf52c5b88167bf4d25babdf2ee3ad047e80d3e1a2b27da9dbc4504fbb7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-12-20T08:25:05Z",
    "title_canon_sha256": "4a39b3fedef48a01ffbdbd65b94131d4b86fade56a8b74319fed664f84a21347"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4602",
    "kind": "arxiv",
    "version": 1
  }
}