Pith Number

pith:U2T4G3QM

pith:2012:U2T4G3QMSW2FRDU62LJ4WCPLDJ

not attested not anchored not stored refs pending

Comment on "What the information loss is {\it not}"

Baocheng Zhang, Li You, Ming-Sheng Zhan, Qing-yu Cai

arxiv:1210.2048 v1 · 2012-10-07 · hep-th · gr-qc · quant-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{U2T4G3QMSW2FRDU62LJ4WCPLDJ}

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	2026-05-18T03:43:51.264189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6a7c36e0c95b4588e9ed2d3cb09eb1a79c10c96290c3977d186651eb2e4b698

Aliases

arxiv: 1210.2048 · arxiv_version: 1210.2048v1 · doi: 10.48550/arxiv.1210.2048 · pith_short_12: U2T4G3QMSW2F · pith_short_16: U2T4G3QMSW2FRDU6 · pith_short_8: U2T4G3QM

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/U2T4G3QMSW2FRDU62LJ4WCPLDJ \
  | 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: a6a7c36e0c95b4588e9ed2d3cb09eb1a79c10c96290c3977d186651eb2e4b698

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2484c2b8455c021a1c483d6de8df155197f032f9a053db2e450a28f747d767ad",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-10-07T12:49:48Z",
    "title_canon_sha256": "7804d7febc1449a03ca5ed03f772c9bd9d297f16cf38ac291f3c226afc30ee1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2048",
    "kind": "arxiv",
    "version": 1
  }
}