Pith Number

pith:XSQDEHJ6

pith:2015:XSQDEHJ67ILBQA7LQB64OQ3JCD

not attested not anchored not stored refs pending

Centro-Affine Tensor Valuations

Christoph Haberl, Lukas Parapatits

arxiv:1509.03831 v1 · 2015-09-13 · 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{XSQDEHJ67ILBQA7LQB64OQ3JCD}

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	2026-05-18T01:33:14.406968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bca0321d3efa161803eb807dc7436910de37e7c173ac01dd7ae1f5bc0deab429

Aliases

arxiv: 1509.03831 · arxiv_version: 1509.03831v1 · doi: 10.48550/arxiv.1509.03831 · pith_short_12: XSQDEHJ67ILB · pith_short_16: XSQDEHJ67ILBQA7L · pith_short_8: XSQDEHJ6

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/XSQDEHJ67ILBQA7LQB64OQ3JCD \
  | 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: bca0321d3efa161803eb807dc7436910de37e7c173ac01dd7ae1f5bc0deab429

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abe8515700faba237641b3fad52b5c7d6dfc7cd49e0272a1885d82b1b17610ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2015-09-13T09:53:43Z",
    "title_canon_sha256": "2e962484acd363bc3a95bcdfec9c0dd77b6bcb8b0c2224792b5333ca78d21508"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03831",
    "kind": "arxiv",
    "version": 1
  }
}