Pith Number

pith:XKPDNP3T

pith:2009:XKPDNP3TYERTRGYTMUHCUCG252

not attested not anchored not stored refs pending

Exploring pre-main sequence variables of ONC: The new variables

Biman J. Medhi, Elisa Distefano, Padmakar Parihar, Sergio Messina, Shantikumar N.S.

arxiv:0907.4836 v1 · 2009-07-28 · 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{XKPDNP3TYERTRGYTMUHCUCG252}

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	2026-05-18T02:12:47.220014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba9e36bf73c123389b13650e2a08daeeb548dcb9cd34d1fc9abfc8d544c3118b

Aliases

arxiv: 0907.4836 · arxiv_version: 0907.4836v1 · doi: 10.48550/arxiv.0907.4836 · pith_short_12: XKPDNP3TYERT · pith_short_16: XKPDNP3TYERTRGYT · pith_short_8: XKPDNP3T

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/XKPDNP3TYERTRGYTMUHCUCG252 \
  | 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: ba9e36bf73c123389b13650e2a08daeeb548dcb9cd34d1fc9abfc8d544c3118b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c2800730c9dc81e6ebdbe3e24e880940908af56eb73609a37b2471698e24656",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-28T05:03:18Z",
    "title_canon_sha256": "4714a815c82299786592594f6c699c698719e5caf4a00d33c6a28d0ba8754bed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4836",
    "kind": "arxiv",
    "version": 1
  }
}