Pith Number

pith:RKUZRWC3

pith:2009:RKUZRWC3JUOWULIQEJMMJM6D4F

not attested not anchored not stored refs pending

K-band spectroscopy of IGR J16358-4726 and IGR J16393-4643: two new symbiotic X-ray binaries

(2) Departamento de Astronom\'ia, Chile), E. Nespoli (1), J. Fabregat (1), R. E. Mennickent (2) ((1) Observatorio Astron\'omico de la Universidad de Valencia, Spain, Universidad de Concepci\'on

arxiv:0910.0990 v2 · 2009-10-06 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RKUZRWC3JUOWULIQEJMMJM6D4F}

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	2026-05-18T02:11:26.291885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8aa998d85b4d1d6a2d102258c4b3c3e16f353366095786f1ad12f79900329056

Aliases

arxiv: 0910.0990 · arxiv_version: 0910.0990v2 · doi: 10.48550/arxiv.0910.0990 · pith_short_12: RKUZRWC3JUOW · pith_short_16: RKUZRWC3JUOWULIQ · pith_short_8: RKUZRWC3

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/RKUZRWC3JUOWULIQEJMMJM6D4F \
  | 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: 8aa998d85b4d1d6a2d102258c4b3c3e16f353366095786f1ad12f79900329056

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff131748306c3963a93b6a3eb110919cede66864e53db7cdcca93fe263588f1d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-10-06T14:12:55Z",
    "title_canon_sha256": "aeed8f56a88350c7af26efc16b67662dd6a519eebca6d7e6b551a7ef0b1fa3c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0990",
    "kind": "arxiv",
    "version": 2
  }
}