Pith Number

pith:4Q6UGCPP

pith:2019:4Q6UGCPPXEKZVAOXRXSE7LMYH4

not attested not anchored not stored refs pending

An Interdisciplinary Perspective on Elements in Astrobiology: From Stars to Planets to Life

Carey Lisse, Hilairy Hartnett, Natalie Hinkel, Patrick Young

arxiv:1904.01092 v1 · 2019-04-01 · 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{4Q6UGCPPXEKZVAOXRXSE7LMYH4}

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	2026-05-17T23:49:37.909987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e43d4309efb9159a81d78de44fad983f2440bc45127b5e3ad52bcd41ccf93f9c

Aliases

arxiv: 1904.01092 · arxiv_version: 1904.01092v1 · doi: 10.48550/arxiv.1904.01092 · pith_short_12: 4Q6UGCPPXEKZ · pith_short_16: 4Q6UGCPPXEKZVAOX · pith_short_8: 4Q6UGCPP

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/4Q6UGCPPXEKZVAOXRXSE7LMYH4 \
  | 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: e43d4309efb9159a81d78de44fad983f2440bc45127b5e3ad52bcd41ccf93f9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f19a0f3a88ad8766663024effeb53e2bb3c012f1f624a49c3c7ce18519870894",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-04-01T20:03:45Z",
    "title_canon_sha256": "514bc35ff0fbad3488e38137d14733afd4f66da5b895a90fb5c9618fce84effc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01092",
    "kind": "arxiv",
    "version": 1
  }
}