Pith Number

pith:LXXYANL6

pith:2019:LXXYANL64TRKEWQQFAFBC7AW6R

not attested not anchored not stored refs pending

Exploring a new definition of the green valley and its implications

Ignacio Ferreras, James Angthopo, Joseph Silk

arxiv:1907.02093 v1 · 2019-07-03 · 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{LXXYANL64TRKEWQQFAFBC7AW6R}

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	2026-07-05T01:00:47.041093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5def80357ee4e2a25a10280a117c16f45f1820de8bd352937d7280a34f196cce

Aliases

arxiv: 1907.02093 · arxiv_version: 1907.02093v1 · doi: 10.48550/arxiv.1907.02093 · pith_short_12: LXXYANL64TRK · pith_short_16: LXXYANL64TRKEWQQ · pith_short_8: LXXYANL6

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/LXXYANL64TRKEWQQFAFBC7AW6R \
  | 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: 5def80357ee4e2a25a10280a117c16f45f1820de8bd352937d7280a34f196cce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61770bdff1b2659d959c87ff4255ec432acfe8087c5d09854ad132ded26a5b99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-07-03T18:10:36Z",
    "title_canon_sha256": "93e9984c3efd1e7f3911b5a9710f69edb820ca37bfcae26c041d73a215814e25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02093",
    "kind": "arxiv",
    "version": 1
  }
}