Pith Number

pith:7S2JNCFK

pith:2009:7S2JNCFKCSOBCJ3UJH4D3N27JW

not attested not anchored not stored refs pending

AMI observations of Lynds Dark Nebulae: further evidence for anomalous cm-wave emission

Anna M. M. Scaife, Anthony N. Lasenby, Carmen Rodriguez-Gonzalvez, David A. Green, David J. Titterington, Elizabeth M. Waldram, Guy G. Pooley, Jonathan T. L. Zwart (The AMI Consortium), Keith J. B. Grainge, Matthew L. Davies, Michael P. Hobson, Natasha Hurley-Walker, Paul F. Scott, Richard D. E. Saunders, Thomas M. O. Franzen, Timothy W. Shimwell

arxiv:0908.1655 v1 · 2009-08-12 · astro-ph.GA · 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{7S2JNCFKCSOBCJ3UJH4D3N27JW}

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	2026-05-18T02:12:35.143719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcb49688aa149c11277449f83db75f4dad2f649671711682711e1d0371154f11

Aliases

arxiv: 0908.1655 · arxiv_version: 0908.1655v1 · doi: 10.48550/arxiv.0908.1655 · pith_short_12: 7S2JNCFKCSOB · pith_short_16: 7S2JNCFKCSOBCJ3U · pith_short_8: 7S2JNCFK

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/7S2JNCFKCSOBCJ3UJH4D3N27JW \
  | 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: fcb49688aa149c11277449f83db75f4dad2f649671711682711e1d0371154f11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85a4854087fc1b3094904171a41e56a87f301afcf4802a386fb6e519eac2a0f9",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-08-12T09:32:08Z",
    "title_canon_sha256": "701493b86668a6bed4391f5ae0a70ca87ed01fb9e471e7bb00620332f21222d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1655",
    "kind": "arxiv",
    "version": 1
  }
}