Pith Number

pith:WR33NAEU

pith:2011:WR33NAEUICMEODDO26IEJH35Y4

not attested not anchored not stored refs pending

HI absorption towards nearby compact radio sources

D.J. Saikia, S.K. Sirothia, Yogesh Chandola

arxiv:1108.2242 v1 · 2011-08-10 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WR33NAEUICMEODDO26IEJH35Y4}

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	2026-05-18T02:00:55.574515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b477b680944098470c6ed790449f7dc7195457e263f91552083bf936438f1c4e

Aliases

arxiv: 1108.2242 · arxiv_version: 1108.2242v1 · doi: 10.48550/arxiv.1108.2242 · pith_short_12: WR33NAEUICME · pith_short_16: WR33NAEUICMEODDO · pith_short_8: WR33NAEU

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/WR33NAEUICMEODDO26IEJH35Y4 \
  | 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: b477b680944098470c6ed790449f7dc7195457e263f91552083bf936438f1c4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3135639b8a9df23f281566a2bff5c446f42d54e3b55597ae1ccb0ad8d296a48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-10T18:52:49Z",
    "title_canon_sha256": "aec68fcb8aa7eb3d3ab1ef1ad9999aa2f2d6a21d14c5d140a88d01c3729bde53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2242",
    "kind": "arxiv",
    "version": 1
  }
}