Pith Number

pith:DJ4MWOC7

pith:2010:DJ4MWOC7V4R2H5VF6DU5J43HM6

not attested not anchored not stored refs pending

A chromospheric conundrum?

Michael Knoelker, Oskar Steiner, Philip Judge, Wolgang Schmidt

arxiv:1007.1203 v1 · 2010-07-07 · 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{DJ4MWOC7V4R2H5VF6DU5J43HM6}

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	2026-05-18T02:06:31.435057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a78cb385faf23a3f6a5f0e9d4f3676785efb195e79fea75ed2c8e502f684f7f

Aliases

arxiv: 1007.1203 · arxiv_version: 1007.1203v1 · doi: 10.48550/arxiv.1007.1203 · pith_short_12: DJ4MWOC7V4R2 · pith_short_16: DJ4MWOC7V4R2H5VF · pith_short_8: DJ4MWOC7

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/DJ4MWOC7V4R2H5VF6DU5J43HM6 \
  | 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: 1a78cb385faf23a3f6a5f0e9d4f3676785efb195e79fea75ed2c8e502f684f7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54f0a425d67bb8b7a29e6ed049c14ffc3d9610b16a166e4c072cf7fab02ee76e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-07-07T17:50:51Z",
    "title_canon_sha256": "7d2b7f29f8cad71ed3d5c8365f0fa6429ad11248a85d573ec25885c7148fbe7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.1203",
    "kind": "arxiv",
    "version": 1
  }
}