Pith Number

pith:W5BQPGHV

pith:2019:W5BQPGHV2SLZQXJRC4JWVTNSLH

not attested not anchored not stored refs pending

Gaia 19ajj: A Young Star Brightening Due to Enhanced Accretion + Reduced Extinction

Bo Reipurth, Howard Isaacson, Lynne A. Hillenbrand, Michael Connelley, Roc M. Cutri

arxiv:1910.05790 v1 · 2019-10-13 · 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{W5BQPGHV2SLZQXJRC4JWVTNSLH}

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	2026-07-05T00:31:24.034967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7430798f5d497985d3117136acdb259dfed2a5dba3e069d1b945f230b4f2339

Aliases

arxiv: 1910.05790 · arxiv_version: 1910.05790v1 · doi: 10.48550/arxiv.1910.05790 · pith_short_12: W5BQPGHV2SLZ · pith_short_16: W5BQPGHV2SLZQXJR · pith_short_8: W5BQPGHV

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/W5BQPGHV2SLZQXJRC4JWVTNSLH \
  | 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: b7430798f5d497985d3117136acdb259dfed2a5dba3e069d1b945f230b4f2339

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fbb08dbaa47313293db95412409f6ffccd9e7a3df90cc0487f747991db8442f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-10-13T17:18:26Z",
    "title_canon_sha256": "0ea8faa0cff35196e2ec8b8eb04bcb2befb1e31b374f08468e7dca0656723889"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.05790",
    "kind": "arxiv",
    "version": 1
  }
}