Pith Number

pith:O22TIYMN

pith:2020:O22TIYMNP3M5NEU3PWTZZJFQHH

not attested not anchored not stored refs pending

Evolution of timing and spectral characteristics of 4U 1901+03 during its 2019 outburst using the Swift and NuSTAR observatories

Aru Beri, Chandreyee Maitra, Nirmal K. Iyer, Tinku

arxiv:2009.12896 v2 · 2020-09-27 · 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{O22TIYMNP3M5NEU3PWTZZJFQHH}

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	2026-07-05T01:48:55.486602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76b534618d7ed9d6929b7da79ca4b039fe0254942c7a87564e3486abdaa0de85

Aliases

arxiv: 2009.12896 · arxiv_version: 2009.12896v2 · doi: 10.48550/arxiv.2009.12896 · pith_short_12: O22TIYMNP3M5 · pith_short_16: O22TIYMNP3M5NEU3 · pith_short_8: O22TIYMN

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/O22TIYMNP3M5NEU3PWTZZJFQHH \
  | 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: 76b534618d7ed9d6929b7da79ca4b039fe0254942c7a87564e3486abdaa0de85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3acae3434426379183701a123b6dd30edefb2ed257e719957a6a9a6568f81ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-09-27T16:56:58Z",
    "title_canon_sha256": "3ce3d9076782976d222d6fd0937b9a5a6d2db255b27e67635079a633871af1cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.12896",
    "kind": "arxiv",
    "version": 2
  }
}