Pith Number

pith:G7L2XL64

pith:2018:G7L2XL64TY4RN2CUA6ZXLJM54W

not attested not anchored not stored refs pending

The symplectic area of a geodesic triangle in a Hermitian symmetric space of compact type

Bent {\O}rsted, Jean-Louis Clerc, Mads Aunskj{\ae}r Bech

arxiv:1801.06881 v1 · 2018-01-21 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G7L2XL64TY4RN2CUA6ZXLJM54W}

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	2026-05-18T00:25:22.893472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37d7abafdc9e3916e85407b375a59de5bebec9245ef3990211a08bc8d9340cc9

Aliases

arxiv: 1801.06881 · arxiv_version: 1801.06881v1 · doi: 10.48550/arxiv.1801.06881 · pith_short_12: G7L2XL64TY4R · pith_short_16: G7L2XL64TY4RN2CU · pith_short_8: G7L2XL64

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/G7L2XL64TY4RN2CUA6ZXLJM54W \
  | 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: 37d7abafdc9e3916e85407b375a59de5bebec9245ef3990211a08bc8d9340cc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "569944cc7103802d09ea66a4465c4732ff7edc1d64a47faa532768e5e99877f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-01-21T19:19:57Z",
    "title_canon_sha256": "e9b42cad2cc4781316c6ab8ffaad324caf07faf288e0581b832c1d18b01f1006"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06881",
    "kind": "arxiv",
    "version": 1
  }
}