Pith Number

pith:2TGGJESK

pith:2019:2TGGJESKMVFN5DH7WWYQ3XFWIF

not attested not anchored not stored refs pending

Magnetic topologies of young suns: The weak-line T Tauri stars TWA 6 and TWA 8A

C. A. Hill, C. P. Folsom, G. A. J. Hussain, G. J. Herczeg, J.-F. Donati, S. G. Gregory, S. H. P. Alencar, the MaTYSSE collaboration

arxiv:1902.06725 v2 · 2019-02-15 · 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{2TGGJESKMVFN5DH7WWYQ3XFWIF}

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	2026-05-17T23:53:40.896906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4cc64924a654ade8cffb5b10ddcb641467409e507002c20382153da488170a4

Aliases

arxiv: 1902.06725 · arxiv_version: 1902.06725v2 · doi: 10.48550/arxiv.1902.06725 · pith_short_12: 2TGGJESKMVFN · pith_short_16: 2TGGJESKMVFN5DH7 · pith_short_8: 2TGGJESK

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/2TGGJESKMVFN5DH7WWYQ3XFWIF \
  | 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: d4cc64924a654ade8cffb5b10ddcb641467409e507002c20382153da488170a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df27a4bceeaece7f0851263360c831a40e0d6c3d312ba97f7bf09b442efa6cf0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-15T18:59:25Z",
    "title_canon_sha256": "06d10c02354954b28cf0ca693758e59db6b9400d7e8455947fffd9e4a1f06325"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06725",
    "kind": "arxiv",
    "version": 2
  }
}