Pith Number

pith:UVY2I4TR

pith:1999:UVY2I4TRMXBUUPZ36RRZHPXLR6

not attested not anchored not stored refs pending

Reflection and noise in the low spectral state of GX339-4

1), 1)((1) Space Research Institute, 2), (2) MPA, E. Churazov (2, Garching bei Muenchen, Germany), M. Gilfanov (2, Moscow, M. Revnivtsev (1, Russia

arxiv:astro-ph/9910423 v2 · 1999-10-22 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UVY2I4TRMXBUUPZ36RRZHPXLR6}

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	2026-05-18T01:40:12.507413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a571a4727165c34a3f3bf46393beeb8f8779be28858bd59c88ff8a0e4a5110bd

Aliases

arxiv: astro-ph/9910423 · arxiv_version: astro-ph/9910423v2 · doi: 10.48550/arxiv.astro-ph/9910423 · pith_short_12: UVY2I4TRMXBU · pith_short_16: UVY2I4TRMXBUUPZ3 · pith_short_8: UVY2I4TR

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/UVY2I4TRMXBUUPZ36RRZHPXLR6 \
  | 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: a571a4727165c34a3f3bf46393beeb8f8779be28858bd59c88ff8a0e4a5110bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7be06c4c4076580c75dba27e02b251ee0792f1e124ca5d0fe5c30bb6a11ea0ea",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-10-22T17:49:05Z",
    "title_canon_sha256": "4b6ca754484cca20a096a93042f485af8fa33e92efca915b81719c49f167f954"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9910423",
    "kind": "arxiv",
    "version": 2
  }
}