Pith Number

pith:PHUOYU2T

pith:2018:PHUOYU2T7F2QCARGQNXKNX5JZB

not attested not anchored not stored refs pending

Observational aspects of Outbursting Black Hole Sources - Evolution of Spectro-Temporal features and X-ray Variability

Anuj Nandi, D. Radhika, H. Sreehari, Nirmal Iyer, Samir Mandal

arxiv:1802.05163 v1 · 2018-02-14 · 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{PHUOYU2T7F2QCARGQNXKNX5JZB}

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	2026-05-18T00:21:19.762513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79e8ec5353f975010226836ea6dfa9c8682e86a7f18c8ca64f571c539e0cf3cc

Aliases

arxiv: 1802.05163 · arxiv_version: 1802.05163v1 · doi: 10.48550/arxiv.1802.05163 · pith_short_12: PHUOYU2T7F2Q · pith_short_16: PHUOYU2T7F2QCARG · pith_short_8: PHUOYU2T

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/PHUOYU2T7F2QCARGQNXKNX5JZB \
  | 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: 79e8ec5353f975010226836ea6dfa9c8682e86a7f18c8ca64f571c539e0cf3cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8baa1a180b30b2d5d3328c0bf7581ad319800d1fe911985a94f3171ded423d2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-02-14T15:42:49Z",
    "title_canon_sha256": "252afe41ab782481b2623cf319e3128334783ee87f2d457fe6d6833295e7fa98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05163",
    "kind": "arxiv",
    "version": 1
  }
}