Pith Number

pith:USA3L7IZ

pith:2013:USA3L7IZ5DEW3EBA677LCPVTPM

not attested not anchored not stored refs pending

Are GRBs the same at high and low redshift?

A. J. Levan, N. R. Tanvir, O. M. Littlejohns, P. A. Evans, P. T. O'Brien, R. Willingale

arxiv:1308.5651 v1 · 2013-08-26 · 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{USA3L7IZ5DEW3EBA677LCPVTPM}

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	2026-05-18T03:15:03.862222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a481b5fd19e8c96d9020f7feb13eb37b3a75ccd47608f02645f1a614c1ab8489

Aliases

arxiv: 1308.5651 · arxiv_version: 1308.5651v1 · doi: 10.48550/arxiv.1308.5651 · pith_short_12: USA3L7IZ5DEW · pith_short_16: USA3L7IZ5DEW3EBA · pith_short_8: USA3L7IZ

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/USA3L7IZ5DEW3EBA677LCPVTPM \
  | 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: a481b5fd19e8c96d9020f7feb13eb37b3a75ccd47608f02645f1a614c1ab8489

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b29c83b89753fed48ada9e8a65bb4b000e0ae6af267985729d65d3348a984c05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-08-26T18:16:58Z",
    "title_canon_sha256": "eeef5d0db6bccb28a6528ea72a1e5b3169cdc7f52cedd5e42554be71549f3aa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5651",
    "kind": "arxiv",
    "version": 1
  }
}