Pith Number

pith:UQ4HGE3W

pith:2011:UQ4HGE3WD5WJUZGZMV4TCL5ZSO

not attested not anchored not stored refs pending

White Light Flare Continuum Observations with ULTRACAM

(2) Queen's University, (3) University of Sheffield, (4) University of Warwick), Adam F. Kowalski (1), Belfast, Chris M. Copperwheat (4) ((1) University of Washington, Eric J. Hilton (1), Mihalis Mathioudakis (2), Suzanne L. Hawley (1), Tom R. Marsh (4), Vik S. Dhillon (3)

arxiv:1103.0822 v1 · 2011-03-04 · 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{UQ4HGE3WD5WJUZGZMV4TCL5ZSO}

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	2026-05-18T04:27:26.191764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4387313761f6c9a64d96579312fb993b424495232166974df7a8a55afc42dc2

Aliases

arxiv: 1103.0822 · arxiv_version: 1103.0822v1 · doi: 10.48550/arxiv.1103.0822 · pith_short_12: UQ4HGE3WD5WJ · pith_short_16: UQ4HGE3WD5WJUZGZ · pith_short_8: UQ4HGE3W

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/UQ4HGE3WD5WJUZGZMV4TCL5ZSO \
  | 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: a4387313761f6c9a64d96579312fb993b424495232166974df7a8a55afc42dc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4ae28bd4460b48ba8f7c189a80e99724c302848485cf5af7ea0cb6fa9b037f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-04T04:51:32Z",
    "title_canon_sha256": "49099bc1132edb1d7a631293fe53c0118c0b884ae67ab86f0b1512335679e8e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0822",
    "kind": "arxiv",
    "version": 1
  }
}