Pith Number

pith:DVDQGTS2

pith:2009:DVDQGTS2QOJEDIH3LCN25KSQXV

not attested not anchored not stored refs pending

Timescale Resolved Spectroscopy of Cyg X-1

H. Liu, T. M. Belloni, T. P. Li, T. S. Wang, Y. X. Wu

arxiv:0903.4118 v1 · 2009-03-24 · astro-ph.IM · 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{DVDQGTS2QOJEDIH3LCN25KSQXV}

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	2026-05-18T02:35:00.195168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d47034e5a839241a0fb589baeaa50bd47f2d4440b00a83de17c54f512d96917

Aliases

arxiv: 0903.4118 · arxiv_version: 0903.4118v1 · doi: 10.48550/arxiv.0903.4118 · pith_short_12: DVDQGTS2QOJE · pith_short_16: DVDQGTS2QOJEDIH3 · pith_short_8: DVDQGTS2

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/DVDQGTS2QOJEDIH3LCN25KSQXV \
  | 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: 1d47034e5a839241a0fb589baeaa50bd47f2d4440b00a83de17c54f512d96917

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9b91625a6f74a93e34d590417dc494244895a229e3b8014485fb570a3f76e92",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-03-24T16:24:23Z",
    "title_canon_sha256": "dde7c695e7fbe8ff90c3df7c5a70d4ce2df88d188134aec2ae6f80e02e03a3ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4118",
    "kind": "arxiv",
    "version": 1
  }
}