Pith Number

pith:QQXBCQUM

pith:2019:QQXBCQUMXE5FDY6V3NOSIY6C2G

not attested not anchored not stored refs pending

Hausdorff Realization of Linear Geodesics of Gromov-Hausdorff Space

Alexander O. Ivanov, Alexey A. Tuzhilin

arxiv:1904.09281 v1 · 2019-04-18 · 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{QQXBCQUMXE5FDY6V3NOSIY6C2G}

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	2026-05-17T23:48:07.829659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

842e11428cb93a51e3d5db5d2463c2d1a1ba79e704ceb7bab30889d42581035c

Aliases

arxiv: 1904.09281 · arxiv_version: 1904.09281v1 · doi: 10.48550/arxiv.1904.09281 · pith_short_12: QQXBCQUMXE5F · pith_short_16: QQXBCQUMXE5FDY6V · pith_short_8: QQXBCQUM

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/QQXBCQUMXE5FDY6V3NOSIY6C2G \
  | 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: 842e11428cb93a51e3d5db5d2463c2d1a1ba79e704ceb7bab30889d42581035c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d49af569cb42b0a26b70cc5bf620cbe8017650f6bc32e6dd9cd408efb7cb6868",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2019-04-18T09:01:27Z",
    "title_canon_sha256": "1c2db15c654e5dfe6308d5dee973deaa980bbec8ea0f8bd2d078f7ac031d6cb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09281",
    "kind": "arxiv",
    "version": 1
  }
}