Pith Number

pith:K7CJOIVE

pith:2016:K7CJOIVECOSZNJDK2BHWCUKHML

not attested not anchored not stored refs pending

The Minimum Halo Mass for Star Formation at z = 6 - 8

B. D. Oppenheimer, E. Zackrisson, K. Finlator, M. K. M. Prescott, R. C. Livermore, R. Dav\'e, R. Thompson, S. Huang, S. L. Finkelstein

arxiv:1609.06348 v1 · 2016-09-20 · 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{K7CJOIVECOSZNJDK2BHWCUKHML}

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	2026-05-18T00:59:19.121501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57c49722a413a596a46ad04f61514762c09e098b7f81e45627b9b22b31075e8a

Aliases

arxiv: 1609.06348 · arxiv_version: 1609.06348v1 · doi: 10.48550/arxiv.1609.06348 · pith_short_12: K7CJOIVECOSZ · pith_short_16: K7CJOIVECOSZNJDK · pith_short_8: K7CJOIVE

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/K7CJOIVECOSZNJDK2BHWCUKHML \
  | 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: 57c49722a413a596a46ad04f61514762c09e098b7f81e45627b9b22b31075e8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c21e00aa434b80583f952c1a560714371482c72668eb9489a73261510de579d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-20T20:38:08Z",
    "title_canon_sha256": "768a269ff4da68f3f16155ab257205095e7ec21e2969b15ffce1a10f21f6cab6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06348",
    "kind": "arxiv",
    "version": 1
  }
}