Pith Number

pith:JMPVERED

pith:2013:JMPVEREDMPRIKCM34BKZ7LNV6F

not attested not anchored not stored refs pending

Rapid Spectral Changes of Cygnus X-1 in the Low/Hard State with Suzaku

H. Negoro, H. Noda, K. Makishima, S. Mineshige, S. Torii, S. Yamada

arxiv:1304.1977 v1 · 2013-04-07 · 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{JMPVEREDMPRIKCM34BKZ7LNV6F}

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	2026-05-18T01:50:41.972980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b1f52448363e285099be0559fadb5f17c350bee746fdb5ac60213096942e85e

Aliases

arxiv: 1304.1977 · arxiv_version: 1304.1977v1 · doi: 10.48550/arxiv.1304.1977 · pith_short_12: JMPVEREDMPRI · pith_short_16: JMPVEREDMPRIKCM3 · pith_short_8: JMPVERED

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/JMPVEREDMPRIKCM34BKZ7LNV6F \
  | 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: 4b1f52448363e285099be0559fadb5f17c350bee746fdb5ac60213096942e85e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc85c3dabb5582d4157d19020f4bb4eee3c255be8aba97d696f0746238b58806",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-04-07T10:10:20Z",
    "title_canon_sha256": "46997c135eeeb9433f569079cfc13a0a9d8e55b7b92fa91b9e6ca2eddf801d2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1977",
    "kind": "arxiv",
    "version": 1
  }
}