Pith Number

pith:J6RSMGZD

pith:2012:J6RSMGZD44CW7DXDUB5D7KJWBF

not attested not anchored not stored refs pending

How to Nurture Scientific Discoveries Despite Their Unpredictable Nature

Abraham Loeb (Harvard)

arxiv:1207.3812 v1 · 2012-07-16 · astro-ph.IM · physics.hist-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{J6RSMGZD44CW7DXDUB5D7KJWBF}

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	2026-05-18T03:50:49.881152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fa3261b23e7056f8ee3a07a3fa9360953f94fa104fbad9c53d3c5f06b1404d6

Aliases

arxiv: 1207.3812 · arxiv_version: 1207.3812v1 · doi: 10.48550/arxiv.1207.3812 · pith_short_12: J6RSMGZD44CW · pith_short_16: J6RSMGZD44CW7DXD · pith_short_8: J6RSMGZD

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/J6RSMGZD44CW7DXDUB5D7KJWBF \
  | 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: 4fa3261b23e7056f8ee3a07a3fa9360953f94fa104fbad9c53d3c5f06b1404d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da0b03f7efc60ff2c8813a43cf790d2b74a98c8bcccd0b90b29c499c353b148b",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-07-16T20:06:52Z",
    "title_canon_sha256": "9be95c14aaeba6a6b65c76bd8d7c99d6bf98605c2382341faf91043a12333dba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3812",
    "kind": "arxiv",
    "version": 1
  }
}