Pith Number

pith:E7RZRXWW

pith:2019:E7RZRXWWHPZ2MNVVRCJWC2YDU6

not attested not anchored not stored refs pending

Spectral evolution and radial dust transport in the prototype young eruptive system EX Lup

\'Agnes K\'osp\'al, Andr\'es Carmona, Aurora Sicilia-Aguilar, Catalina Sobrino Figaredo, Jeroen Bouwman, J\'ozsef Varga, Lei Chen, Martin Haas, P\'eter \'Abrah\'am, Roy van Boekel

arxiv:1910.13180 v1 · 2019-10-29 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E7RZRXWWHPZ2MNVVRCJWC2YDU6}

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	2026-07-05T00:32:03.377856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27e398ded63bf3a636b58893616b03a79e629990bd052856f881a59bc3831894

Aliases

arxiv: 1910.13180 · arxiv_version: 1910.13180v1 · doi: 10.48550/arxiv.1910.13180 · pith_short_12: E7RZRXWWHPZ2 · pith_short_16: E7RZRXWWHPZ2MNVV · pith_short_8: E7RZRXWW

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/E7RZRXWWHPZ2MNVVRCJWC2YDU6 \
  | 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: 27e398ded63bf3a636b58893616b03a79e629990bd052856f881a59bc3831894

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ed4197e02dbcc381220d70a07059d6ab49c95c0cbc27ffeef0c0b0c7d562bd3",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-10-29T10:32:38Z",
    "title_canon_sha256": "addd8eb28a9f907486af60f1d3a8a97f9dfc9033019ca6f5a22ce00d902a2639"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13180",
    "kind": "arxiv",
    "version": 1
  }
}