Pith Number

pith:2INGCZYX

pith:2013:2INGCZYXAIIA4AL2LC6M4UPSSQ

not attested not anchored not stored refs pending

Local tensor valuations

Daniel Hug, Rolf Schneider

arxiv:1309.3998 v2 · 2013-09-16 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2INGCZYXAIIA4AL2LC6M4UPSSQ}

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	2026-05-18T02:52:34.457658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d21a61671702100e017a58bcce51f2942a8d2e7df1d7a8a74a5b804d82b2130f

Aliases

arxiv: 1309.3998 · arxiv_version: 1309.3998v2 · doi: 10.48550/arxiv.1309.3998 · pith_short_12: 2INGCZYXAIIA · pith_short_16: 2INGCZYXAIIA4AL2 · pith_short_8: 2INGCZYX

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/2INGCZYXAIIA4AL2LC6M4UPSSQ \
  | 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: d21a61671702100e017a58bcce51f2942a8d2e7df1d7a8a74a5b804d82b2130f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66b1ff34b5b64cf885f2b520b878a285c1e9207713402c1140fd29a55baa3a76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-09-16T15:10:37Z",
    "title_canon_sha256": "6bbca2ee5d0236dc28e12a6f25714259e10594d56452fb1d28f8469f68d339ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3998",
    "kind": "arxiv",
    "version": 2
  }
}