Pith Number

pith:HCWZQA6C

pith:2014:HCWZQA6CZ6M2DO2DUGODE3R5TT

not attested not anchored not stored refs pending

Second order symmetry operators

Lars Andersson, Pieter Blue, Thomas B\"ackdahl

arxiv:1402.6252 v2 · 2014-02-25 · gr-qc · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HCWZQA6CZ6M2DO2DUGODE3R5TT}

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	2026-05-18T02:49:28.578764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38ad9803c2cf99a1bb43a19c326e3d9ce866ec8cd5a825d9f186a8f73636c290

Aliases

arxiv: 1402.6252 · arxiv_version: 1402.6252v2 · doi: 10.48550/arxiv.1402.6252 · pith_short_12: HCWZQA6CZ6M2 · pith_short_16: HCWZQA6CZ6M2DO2D · pith_short_8: HCWZQA6C

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/HCWZQA6CZ6M2DO2DUGODE3R5TT \
  | 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: 38ad9803c2cf99a1bb43a19c326e3d9ce866ec8cd5a825d9f186a8f73636c290

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca962afc9ebb99b770dc58d4cf3126e77530c707b175a96a21ff9e3869eae481",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-02-25T17:42:06Z",
    "title_canon_sha256": "cccd97402d3a83f0064a91abd544957e7c1ef783c4d225c36634b57183ce1c1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.6252",
    "kind": "arxiv",
    "version": 2
  }
}