Pith Number

pith:X3ZRQQDQ

pith:2006:X3ZRQQDQB5XFA3C27XISRPHP2J

not attested not anchored not stored refs pending

Near-infrared observations of water-ice in OH/IR stars

A.W. Meyer, C. Dijkstra, G. Olofsson, K. Justtanont

arxiv:astro-ph/0601649 v1 · 2006-01-27 · 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{X3ZRQQDQB5XFA3C27XISRPHP2J}

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	2026-07-04T16:57:53.160907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bef31840700f6e506c5afdd128bcefd264069de2ab5634fe04c41e9b77eb5001

Aliases

arxiv: astro-ph/0601649 · arxiv_version: astro-ph/0601649v1 · doi: 10.48550/arxiv.astro-ph/0601649 · pith_short_12: X3ZRQQDQB5XF · pith_short_16: X3ZRQQDQB5XFA3C2 · pith_short_8: X3ZRQQDQ

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/X3ZRQQDQB5XFA3C27XISRPHP2J \
  | 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: bef31840700f6e506c5afdd128bcefd264069de2ab5634fe04c41e9b77eb5001

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e44e9f70023f7381f596577f3c7b5bd3d6512842094d99115578f495a613d6f1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-01-27T16:52:29Z",
    "title_canon_sha256": "736422e946e8cbd50c597f0fb14c9bac6e50bee1310e99b6d3e26eab89597454"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0601649",
    "kind": "arxiv",
    "version": 1
  }
}