Pith Number

pith:ZJQHSUJM

pith:2019:ZJQHSUJM63FKNL4GM2DK37KTG2

not attested not anchored not stored refs pending

Broad-band spectral study of X-ray transient MAXI J1820+070 using Swift/XRT and NuSTAR

Jaiverdhan Chauhan, Kalyanee Boruah, Priya Bharali

arxiv:1907.01012 v1 · 2019-07-01 · 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{ZJQHSUJM63FKNL4GM2DK37KTG2}

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	2026-05-17T23:41:41.459658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca6079512cf6caa6af866686adfd5336b1ffee2dc9fd037df3a02b7fbe16fe9a

Aliases

arxiv: 1907.01012 · arxiv_version: 1907.01012v1 · doi: 10.48550/arxiv.1907.01012 · pith_short_12: ZJQHSUJM63FK · pith_short_16: ZJQHSUJM63FKNL4G · pith_short_8: ZJQHSUJM

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/ZJQHSUJM63FKNL4GM2DK37KTG2 \
  | 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: ca6079512cf6caa6af866686adfd5336b1ffee2dc9fd037df3a02b7fbe16fe9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40878d73197f3b624dbdfab4d81db998775e961cb26fc629b154ff3ccd7b026c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-07-01T18:42:11Z",
    "title_canon_sha256": "c5fbf9e58a77a557961b2da82ca97242ec70ca55f483f472faad845f62b39f4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01012",
    "kind": "arxiv",
    "version": 1
  }
}