Pith Number

pith:XUXPKCTG

pith:2012:XUXPKCTGKDG6PMO5VFLW2VKSHQ

not attested not anchored not stored refs pending

Detailed optical and near-infrared polarimetry, spectroscopy and broadband photometry of the afterglow of GRB 091018: Polarisation evolution

A. de Ugarte Postigo, A. Gomboc, A. J. Levan, A. J. van der Horst, A. Melandri, A. Rossi, A. Rowlinson, C. G. Mundell, C. Guidorzi, C. Kouveliotou, E. Palazzi, E. Rol, I. A. Steele, J. Gorosabel, J. Greiner, J. Hjorth, J. P. U. Fynbo, K. Wiersema, L. Kaper, N. R. Tanvir, P. A. Curran, P. A. Evans, P. Goldoni, P. T. O'Brien, R. A. M. J. Wijers, R. Filgas, R. L. C. Starling, S. Covino, S. D. Vergani, S. Klose, S. Kobayashi, T. Kruehler, V. D'Elia

arxiv:1203.4265 v1 · 2012-03-19 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XUXPKCTGKDG6PMO5VFLW2VKSHQ}

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	2026-05-18T01:58:05.858624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd2ef50a6650cde7b1dda9576d55523c241b4d1baa8f5a6f6e6016be06f40a2d

Aliases

arxiv: 1203.4265 · arxiv_version: 1203.4265v1 · doi: 10.48550/arxiv.1203.4265 · pith_short_12: XUXPKCTGKDG6 · pith_short_16: XUXPKCTGKDG6PMO5 · pith_short_8: XUXPKCTG

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/XUXPKCTGKDG6PMO5VFLW2VKSHQ \
  | 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: bd2ef50a6650cde7b1dda9576d55523c241b4d1baa8f5a6f6e6016be06f40a2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d048db036e72db636641720f6ff6aee55b7df6acb30501410715552d20f8152",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-19T21:06:34Z",
    "title_canon_sha256": "b4601b651fcff5e6059c6ec276ebb3668db8679c9241138a93da74b63629857e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4265",
    "kind": "arxiv",
    "version": 1
  }
}