Pith Number

pith:LZTC62OP

pith:2010:LZTC62OP45H4GVP7GYUO34OSFA

not attested not anchored not stored refs pending

A brief social history of astrobiology in Ibero-america

Guillermo A. Lemarchand

arxiv:1012.2589 v1 · 2010-12-12 · physics.hist-ph · physics.pop-ph · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LZTC62OP45H4GVP7GYUO34OSFA}

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	2026-05-18T04:33:28.254555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e662f69cfe74fc355ff3628edf1d2282b02eae92b0b6888fc4cef06279c8b6a

Aliases

arxiv: 1012.2589 · arxiv_version: 1012.2589v1 · doi: 10.48550/arxiv.1012.2589 · pith_short_12: LZTC62OP45H4 · pith_short_16: LZTC62OP45H4GVP7 · pith_short_8: LZTC62OP

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/LZTC62OP45H4GVP7GYUO34OSFA \
  | 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: 5e662f69cfe74fc355ff3628edf1d2282b02eae92b0b6888fc4cef06279c8b6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36e1c43a86a0d2f7b20a14187546a83e9e53118068d67142a7b119905eab1faa",
    "cross_cats_sorted": [
      "physics.pop-ph",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2010-12-12T21:10:14Z",
    "title_canon_sha256": "712b5a55fd1086a9ccdc2e3d89394fbfe5ca193a46897b30c1af18fc0d0193f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.2589",
    "kind": "arxiv",
    "version": 1
  }
}