Pith Number

pith:472BRVHJ

pith:2009:472BRVHJITCWLAOQLSKV3XH45P

not attested not anchored not stored refs pending

Hubble Space Telescope Observations of Short GRB Host Galaxies: Morphologies, Offsets, and Local Environments

Derek B. Fox (PSU), Edo Berger (Harvard), Wen-fai Fong (Harvard)

arxiv:0909.1804 v2 · 2009-09-10 · astro-ph.HE · 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{472BRVHJITCWLAOQLSKV3XH45P}

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	2026-05-18T02:34:30.618748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7f418d4e944c56581d05c955ddcfcebec44da800852e3e31ecd684ccf2a7ea1

Aliases

arxiv: 0909.1804 · arxiv_version: 0909.1804v2 · doi: 10.48550/arxiv.0909.1804 · pith_short_12: 472BRVHJITCW · pith_short_16: 472BRVHJITCWLAOQ · pith_short_8: 472BRVHJ

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/472BRVHJITCWLAOQLSKV3XH45P \
  | 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: e7f418d4e944c56581d05c955ddcfcebec44da800852e3e31ecd684ccf2a7ea1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f60f222e3fe95db3cf9f7808956f878f4a9915096e03addd6ede212eba4467e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-09-10T19:32:10Z",
    "title_canon_sha256": "b9f0b7918f8f5d86f146123e77d2ccde65740e4d8f52aaa103b7fada0fb8b5fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1804",
    "kind": "arxiv",
    "version": 2
  }
}