Pith Number

pith:X4E4ST2J

pith:2021:X4E4ST2JEFK4HCQUB6U54WNB35

not attested not anchored not stored refs pending

Relativistic viscous accretion flow model for ULX sources: A case study for IC 342 X-1

Anuj Nandi (URSC), Indu Kalpa Dihingia (IIT Indore), Santabrata Das (IIT Guwahati), Seshadri Majumder (IIT Guwahati), Vivek K. Agrawal (URSC)

arxiv:2108.02973 v1 · 2021-08-06 · 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{X4E4ST2JEFK4HCQUB6U54WNB35}

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	2026-07-05T03:06:35.575971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf09c94f492155c38a140fa9de59a1df6c44b723672db038c97125e8a1a5df38

Aliases

arxiv: 2108.02973 · arxiv_version: 2108.02973v1 · doi: 10.48550/arxiv.2108.02973 · pith_short_12: X4E4ST2JEFK4 · pith_short_16: X4E4ST2JEFK4HCQU · pith_short_8: X4E4ST2J

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/X4E4ST2JEFK4HCQUB6U54WNB35 \
  | 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: bf09c94f492155c38a140fa9de59a1df6c44b723672db038c97125e8a1a5df38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1e6a1356fc7789407cb3206957189a02dd2cd03e79d5869c294195cde517f5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-08-06T06:58:32Z",
    "title_canon_sha256": "3ef9c058cd3c47384c454962d4e27814ac812a54d2e5b6de25b2a2b4ad2cfc67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.02973",
    "kind": "arxiv",
    "version": 1
  }
}