Pith Number

pith:IXVEKJTW

pith:2008:IXVEKJTWEDRBZZJYCREK72HNKB

not attested not anchored not stored refs pending

High-resolution HNC 3-2 SMA observations of Arp220

D. Wilner, J. H. Black, K. Sakamoto, M. Caldas, M. C. Wiedner, M. Spaans, S. Aalto

arxiv:0811.0511 v1 · 2008-11-04 · 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{IXVEKJTWEDRBZZJYCREK72HNKB}

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	2026-07-04T17:13:32.678307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45ea45267620e21ce5381448afe8ed5063c553abdc87f9d326d204b8482e4f86

Aliases

arxiv: 0811.0511 · arxiv_version: 0811.0511v1 · doi: 10.48550/arxiv.0811.0511 · pith_short_12: IXVEKJTWEDRB · pith_short_16: IXVEKJTWEDRBZZJY · pith_short_8: IXVEKJTW

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/IXVEKJTWEDRBZZJYCREK72HNKB \
  | 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: 45ea45267620e21ce5381448afe8ed5063c553abdc87f9d326d204b8482e4f86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "416a3d4baf1d65641def0c8ce0061afc579fbbe6960f3ccd306f2b402eeb4416",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-04T14:29:34Z",
    "title_canon_sha256": "262cbb073fc5fd2182ad146f94f42d487641f219d39881bba8a00d3261b49cdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.0511",
    "kind": "arxiv",
    "version": 1
  }
}