Pith Number

pith:T4N5XW5X

pith:2019:T4N5XW5XCSZWGUGBJ7CA57W5VF

not attested not anchored not stored refs pending

Short and long term near-infrared spectroscopic variability of eruptive protostars from VVV

A. Caratti o Garatti, C. Contreras Pe\~na, D. Froebrich, D. Minniti, J. Alonso-Garc\'ia, J. Borissova, L. C. Smith, P. W. Lucas, R. G. Kurtev, Zhen Guo

arxiv:1912.00729 v1 · 2019-12-02 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T4N5XW5XCSZWGUGBJ7CA57W5VF}

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	2026-07-05T00:23:16.218345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f1bdbdbb714b36350c14fc40efedda97b314ef4cd070b9af9823600d0669ec2

Aliases

arxiv: 1912.00729 · arxiv_version: 1912.00729v1 · doi: 10.48550/arxiv.1912.00729 · pith_short_12: T4N5XW5XCSZW · pith_short_16: T4N5XW5XCSZWGUGB · pith_short_8: T4N5XW5X

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/T4N5XW5XCSZWGUGBJ7CA57W5VF \
  | 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: 9f1bdbdbb714b36350c14fc40efedda97b314ef4cd070b9af9823600d0669ec2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbe3f089997eb7bd039b3b0e182f1ea5f2f6840f0e72aa857f4f3e7fb8724a1e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-12-02T12:57:25Z",
    "title_canon_sha256": "0bc90af2a131a409f82826f3c5189ecd30cbce1ba69b16f2fe549168c08834df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.00729",
    "kind": "arxiv",
    "version": 1
  }
}