Pith Number

pith:BIRKP2V2

pith:2015:BIRKP2V2TDAD7XWZOI5B5NLIDC

not attested not anchored not stored refs pending

Spectrophotometric analysis of GRB afterglow extinction curves with X-shooter

A. de Ugarte Postigo, A. Gomboc, A. Melandri, D. Kopa\v{c}, D. Watson, F. Hammer, G. Tagliaferri, H. Flores, J. Hjorth, J. Japelj, J. P. U. Fynbo, J. Selsing, L. Kaper, N. R. Tanvir, P. Goldoni, P. Jakobsson, R. A. M. J. Wijers, R. S\'anchez-Ram\'irez, S. Covino, S. D. Vergani, S. Piranomonte, T. Kr\"uhler, V. D'Elia, Z. Cano

arxiv:1503.03623 v1 · 2015-03-12 · 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{BIRKP2V2TDAD7XWZOI5B5NLIDC}

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	2026-05-18T01:09:49.079459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a22a7eaba98c03fded9723a1eb56818a237101dc7d5a1d35eff33c5068d31a1

Aliases

arxiv: 1503.03623 · arxiv_version: 1503.03623v1 · doi: 10.48550/arxiv.1503.03623 · pith_short_12: BIRKP2V2TDAD · pith_short_16: BIRKP2V2TDAD7XWZ · pith_short_8: BIRKP2V2

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/BIRKP2V2TDAD7XWZOI5B5NLIDC \
  | 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: 0a22a7eaba98c03fded9723a1eb56818a237101dc7d5a1d35eff33c5068d31a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25742918ab606b59c5681d3ad99ef0b1d94fba16ad704edd18f25aebab033ba7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-03-12T08:33:00Z",
    "title_canon_sha256": "257099c0364c1e1901b6c93226b80d9c303025de409e3ecc34e0434ee2e5e5aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03623",
    "kind": "arxiv",
    "version": 1
  }
}