Pith Number

pith:2QMLFROE

pith:2009:2QMLFROEU4UYUKWNXOUAZ4XJAS

not attested not anchored not stored refs pending

GRB 090313: X-shooter's first shot at a GRB

A. de Ugarte Postigo, C.C. Th\"one, D. Malesani, E. Maiorano, E. Palazzi, E. Pian, F. Fiore, F. Hammer, G. Tagliaferri, H. Flores, J. Hjorth, J.P.U. Fynbo, J. Vernet, L.A. Antonelli, L. Christensen, L. Kaper, M.E. van den Ancker, M.I. Andersen, P. D'Avanzo, P. Goldoni, P.J. Groot, P. Kj{\ae}rgaard, R.A.M.J. Wijers, S. Covino, S. D'Odorico, S.D. Vergani, S. Piranomonte, S. Randich, V. D'Elia

arxiv:0911.3901 v2 · 2009-11-19 · astro-ph.HE · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QMLFROEU4UYUKWNXOUAZ4XJAS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:34:04.422914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d418b2c5c4a7298a2acdbba80cf2e904a04699a86c6d59a209b4b2730ea6c876

Aliases

arxiv: 0911.3901 · arxiv_version: 0911.3901v2 · doi: 10.48550/arxiv.0911.3901 · pith_short_12: 2QMLFROEU4UY · pith_short_16: 2QMLFROEU4UYUKWN · pith_short_8: 2QMLFROE

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/2QMLFROEU4UYUKWNXOUAZ4XJAS \
  | 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: d418b2c5c4a7298a2acdbba80cf2e904a04699a86c6d59a209b4b2730ea6c876

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e991af0b4f2a0a620ee61fcfbe1dfa64f9e137d2f651529b96ff25c5ba16b440",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-11-19T21:13:58Z",
    "title_canon_sha256": "de680aa4a79aba1f9e079af7cf06021ebe53c75f3103f4c9af6dffac527779ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3901",
    "kind": "arxiv",
    "version": 2
  }
}