Pith Number

pith:TM2GELKB

pith:2015:TM2GELKBYL4DE5D72C667ON35A

not attested not anchored not stored refs pending

An M Dwarf Companion and Its Induced Spiral Arms in the HD 100453 Protoplanetary Disk

Eugene Chiang, Jeffrey Fung, Kevin Wagner, Roman Rafikov, Ruobing Dong, Zhaohuan Zhu

arxiv:1512.04949 v1 · 2015-12-15 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TM2GELKBYL4DE5D72C667ON35A}

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	2026-05-18T01:23:02.237933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b34622d41c2f832747fd0bdefb9bbe820ed0cd3f3f105b6cb4827d4199e14d3

Aliases

arxiv: 1512.04949 · arxiv_version: 1512.04949v1 · doi: 10.48550/arxiv.1512.04949 · pith_short_12: TM2GELKBYL4D · pith_short_16: TM2GELKBYL4DE5D7 · pith_short_8: TM2GELKB

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/TM2GELKBYL4DE5D72C667ON35A \
  | 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: 9b34622d41c2f832747fd0bdefb9bbe820ed0cd3f3f105b6cb4827d4199e14d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "091e58ae3ae7e4cbf7d24acec02b8d4c04b93ec4d05541c411202dd9af143190",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-15T21:00:04Z",
    "title_canon_sha256": "ae8d9f195fd649b2ff951975c2446e79a7e82c921a12e51c9606ecfb0c4d0213"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04949",
    "kind": "arxiv",
    "version": 1
  }
}