Pith Number

pith:R6YZ3A3Y

pith:2012:R6YZ3A3YUGSZRNICVHMCXEK4FI

not attested not anchored not stored refs pending

Biography of eight astronomers and physicists

Emmanuel Davoust

arxiv:1208.4739 v1 · 2012-08-23 · 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{R6YZ3A3YUGSZRNICVHMCXEK4FI}

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	2026-05-18T03:48:12.770974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fb19d8378a1a598b502a9d82b915c2a2dfdc6e68ba37610d8c1c32004c2bbdc

Aliases

arxiv: 1208.4739 · arxiv_version: 1208.4739v1 · doi: 10.48550/arxiv.1208.4739 · pith_short_12: R6YZ3A3YUGSZ · pith_short_16: R6YZ3A3YUGSZRNIC · pith_short_8: R6YZ3A3Y

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/R6YZ3A3YUGSZRNICVHMCXEK4FI \
  | 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: 8fb19d8378a1a598b502a9d82b915c2a2dfdc6e68ba37610d8c1c32004c2bbdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b14ad0563407ed5b5daff7a03c6fc1d9c93a4cca0d42fb34724dbe2dda08023",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2012-08-23T12:38:24Z",
    "title_canon_sha256": "db9729b2262135bb85a80d741aabf8a344329204433cb0e7cccd8819e1b7b8f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4739",
    "kind": "arxiv",
    "version": 1
  }
}