Pith Number

pith:SSIG5C5T

pith:2011:SSIG5C5TQM3APWSBPMN3XLVPVB

not attested not anchored not stored refs pending

The first observation of optical pulsations from a soft gamma repeater: SGR 0501+4516

A. J. Levan, C. D. J. Savoury, C. M. Copperwheat, K. Wiersema, N. Rea, N. R. Tanvir, P. Kerry, R. D. G. Hickman, R. Turolla, S. P. Littlefair, T. R. Marsh, V. S. Dhillon

arxiv:1106.1355 v1 · 2011-06-07 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSIG5C5TQM3APWSBPMN3XLVPVB}

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	2026-05-18T02:01:41.264885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94906e8bb3833607da417b1bbbaeafa84acc83003dcceb1fca3c12d4bc65a506

Aliases

arxiv: 1106.1355 · arxiv_version: 1106.1355v1 · doi: 10.48550/arxiv.1106.1355 · pith_short_12: SSIG5C5TQM3A · pith_short_16: SSIG5C5TQM3APWSB · pith_short_8: SSIG5C5T

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/SSIG5C5TQM3APWSBPMN3XLVPVB \
  | 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: 94906e8bb3833607da417b1bbbaeafa84acc83003dcceb1fca3c12d4bc65a506

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e317df5e524ac5725c137f2e9c8588ed3513c9283bd5763b60b89499647a8e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-06-07T14:06:36Z",
    "title_canon_sha256": "d4d2b41d4e6f27aa629db906a4aacb80173c067a3de3937203ca2166082a0150"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1355",
    "kind": "arxiv",
    "version": 1
  }
}