Pith Number

pith:AWVWVINI

pith:2009:AWVWVINIGK5KDBLM4A6Z6BORGR

not attested not anchored not stored refs pending

Dust and Metal Column Densities in Gamma-Ray Burst Host Galaxies

F.E. Marshall, M.De Pasquale, M.J. Page, M. Still, N.P.M. Kuin, P. Schady, P.W.A. Roming, S.R. Oates, S.T. Holland, T. Dwelly

arxiv:0910.2590 v1 · 2009-10-14 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AWVWVINIGK5KDBLM4A6Z6BORGR}

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	2026-05-18T02:11:23.758994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05ab6aa1a832baa1856ce03d9f05d13448e2c3eab1578461bb78aa5afe8bcfce

Aliases

arxiv: 0910.2590 · arxiv_version: 0910.2590v1 · doi: 10.48550/arxiv.0910.2590 · pith_short_12: AWVWVINIGK5K · pith_short_16: AWVWVINIGK5KDBLM · pith_short_8: AWVWVINI

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/AWVWVINIGK5KDBLM4A6Z6BORGR \
  | 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: 05ab6aa1a832baa1856ce03d9f05d13448e2c3eab1578461bb78aa5afe8bcfce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "645755ce3b53b8c60395ccd2a3e0b846a42a43c7e8bfe0f5564e9a42da0dd511",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-14T18:16:58Z",
    "title_canon_sha256": "7bc299ff926334a6a84495b8f625ab74d7d25a55e799a4bbdeb290bbe0f89ae4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2590",
    "kind": "arxiv",
    "version": 1
  }
}