Pith Number

pith:4UKT5J3G

pith:2010:4UKT5J3G5E6H3GP7F3QT6TOYCB

not attested not anchored not stored refs pending

Unified First Law and Some Comments

Nairwita Mazumder, Ritabrata Biswas, Subenoy Chakraborty

arxiv:1006.1169 v1 · 2010-06-07 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4UKT5J3G5E6H3GP7F3QT6TOYCB}

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	2026-05-18T04:24:43.808820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5153ea766e93c7d99ff2ee13f4dd8106ee62f41c67965789815de92834a5c9e

Aliases

arxiv: 1006.1169 · arxiv_version: 1006.1169v1 · doi: 10.48550/arxiv.1006.1169 · pith_short_12: 4UKT5J3G5E6H · pith_short_16: 4UKT5J3G5E6H3GP7 · pith_short_8: 4UKT5J3G

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/4UKT5J3G5E6H3GP7F3QT6TOYCB \
  | 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: e5153ea766e93c7d99ff2ee13f4dd8106ee62f41c67965789815de92834a5c9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e73bef408e9a39354a89b70645ec5f6ced2318292aca9861d2e242a888040cfa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-06-07T04:06:51Z",
    "title_canon_sha256": "48eb262a09ab5a8755942b41e7fc41d8638390db39598bad2c5363a5a354c1ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.1169",
    "kind": "arxiv",
    "version": 1
  }
}