Pith Number

pith:RFQVRPTO

pith:2018:RFQVRPTO7J6ZIBOPM634QECHLB

not attested not anchored not stored refs pending

Star formation in the outskirts of DDO 154: A top-light IMF in a nearly dormant disc

Adam B. Watts, Claudia D.P. Lagos, Gerhardt R. Meurer, Pavel Kroupa, Sarah M. Bruzzese, Tereza Jerabkova

arxiv:1804.07072 v1 · 2018-04-19 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RFQVRPTO7J6ZIBOPM634QECHLB}

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	2026-05-18T00:17:02.990765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

896158be6efa7d9405cf67b7c810475841b795beaa2ee763660ba8b623e1c88b

Aliases

arxiv: 1804.07072 · arxiv_version: 1804.07072v1 · doi: 10.48550/arxiv.1804.07072 · pith_short_12: RFQVRPTO7J6Z · pith_short_16: RFQVRPTO7J6ZIBOP · pith_short_8: RFQVRPTO

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/RFQVRPTO7J6ZIBOPM634QECHLB \
  | 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: 896158be6efa7d9405cf67b7c810475841b795beaa2ee763660ba8b623e1c88b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a8cc8a6b38ef684ffe26939ea498697a6d045f6be5afb3e27f6e3e12e778c91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-19T10:29:02Z",
    "title_canon_sha256": "aa7d98ff84785a1891e07162bc6959ba6e8f7dc417ce58f3540711acd1babdb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07072",
    "kind": "arxiv",
    "version": 1
  }
}