Pith Number

pith:LDLZVHQD

pith:2017:LDLZVHQDEPCIWGDMBNT2IIFB34

not attested not anchored not stored refs pending

Massive pre-main sequence stars in M17

Alex de Koter, Arjan Bik, Bram B. Ochsendorf, Frank Tramper, Hugues Sana, Lex Kaper, Lucas E. Ellerbroek, Mar\'ia Claudia Ram\'irez-Tannus, Oscar H. Ram\'irez-Agudelo

arxiv:1704.08216 v1 · 2017-04-26 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LDLZVHQDEPCIWGDMBNT2IIFB34}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:38:02.888234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58d79a9e0323c48b186c0b67a420a1df1648ce55542de93159a533e6b54e8026

Aliases

arxiv: 1704.08216 · arxiv_version: 1704.08216v1 · doi: 10.48550/arxiv.1704.08216 · pith_short_12: LDLZVHQDEPCI · pith_short_16: LDLZVHQDEPCIWGDM · pith_short_8: LDLZVHQD

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/LDLZVHQDEPCIWGDMBNT2IIFB34 \
  | 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: 58d79a9e0323c48b186c0b67a420a1df1648ce55542de93159a533e6b54e8026

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffc37689dea4f3ad9e8565f0217c97405488b6de1b974956540e9c478a2ad1e0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-04-26T17:04:42Z",
    "title_canon_sha256": "dcd0ceb1ecfc33b45465662aaf8f9102620622be5bcd92fa1dfc01820cc8e2e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08216",
    "kind": "arxiv",
    "version": 1
  }
}