Pith Number

pith:ZZ4ML22F

pith:2013:ZZ4ML22FLC4LIJH3PLQAC3VYNU

not attested not anchored not stored refs pending

Observable Signatures of Classical T Tauri Stars Accreting in an Unstable Regime

M. M. Romanova, Ryuichi Kurosawa

arxiv:1307.3639 v1 · 2013-07-13 · 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{ZZ4ML22FLC4LIJH3PLQAC3VYNU}

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	2026-05-18T03:18:28.315016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce78c5eb4558b8b424fb7ae0016eb86d0c4e08507208153d0f798bf5989f386a

Aliases

arxiv: 1307.3639 · arxiv_version: 1307.3639v1 · doi: 10.48550/arxiv.1307.3639 · pith_short_12: ZZ4ML22FLC4L · pith_short_16: ZZ4ML22FLC4LIJH3 · pith_short_8: ZZ4ML22F

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/ZZ4ML22FLC4LIJH3PLQAC3VYNU \
  | 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: ce78c5eb4558b8b424fb7ae0016eb86d0c4e08507208153d0f798bf5989f386a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae2b57c10f5159c06cbec8e1c863b16345877a5582cecaa6b032139207f034c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-13T10:19:36Z",
    "title_canon_sha256": "e328e337436fe9b0bef530e83cbf7b132582e79495a383aee1135edf19f3f20d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3639",
    "kind": "arxiv",
    "version": 1
  }
}