Pith Number

pith:VD2JCBZH

pith:2012:VD2JCBZHGGTT6MCCV23LW3NX6R

not attested not anchored not stored refs pending

Poor man's holography: How far can it go?

Hongbao Zhang, Xiao-Ning Wu, Yu Tian

arxiv:1204.2029 v4 · 2012-04-10 · hep-th · 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{VD2JCBZHGGTT6MCCV23LW3NX6R}

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	2026-05-18T03:25:06.072747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8f491072731a73f3042aeb6bb6db7f455e17d09260482a6188d12818235e9f1

Aliases

arxiv: 1204.2029 · arxiv_version: 1204.2029v4 · doi: 10.48550/arxiv.1204.2029 · pith_short_12: VD2JCBZHGGTT · pith_short_16: VD2JCBZHGGTT6MCC · pith_short_8: VD2JCBZH

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/VD2JCBZHGGTT6MCCV23LW3NX6R \
  | 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: a8f491072731a73f3042aeb6bb6db7f455e17d09260482a6188d12818235e9f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3104f2292edd970220ca4d51ed628e4e30b9b88a0561bb773f83b6306b39635",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-04-10T02:36:37Z",
    "title_canon_sha256": "72abc82558c6ae73360c6f9f6ed0bf03b07b23d0d3ca617129a1eed2782e02fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2029",
    "kind": "arxiv",
    "version": 4
  }
}