Pith Number

pith:7XDVRG34

pith:1999:7XDVRG34L635VR3K4RB2MHO5WS

not attested not anchored not stored refs pending

Geometric aspects of the Daugavet property

R. Shvidkoy

arxiv:math/9903098 v2 · 1999-03-16 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7XDVRG34L635VR3K4RB2MHO5WS}

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	2026-05-18T01:05:33.253131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdc7589b7c5fb7dac76ae443a61dddb4b33283c68a1f0d4bfc5b8857ede52447

Aliases

arxiv: math/9903098 · arxiv_version: math/9903098v2 · doi: 10.48550/arxiv.math/9903098 · pith_short_12: 7XDVRG34L635 · pith_short_16: 7XDVRG34L635VR3K · pith_short_8: 7XDVRG34

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/7XDVRG34L635VR3K4RB2MHO5WS \
  | 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: fdc7589b7c5fb7dac76ae443a61dddb4b33283c68a1f0d4bfc5b8857ede52447

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75e01f9e866f42268cf97e39fa3c6a943d3268015faf546a67d3221da4b3633c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.FA",
    "submitted_at": "1999-03-16T22:00:53Z",
    "title_canon_sha256": "b6cf9140befec3cf32c4ef7793365e82d17ec2568ae6423895ff764754247e9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9903098",
    "kind": "arxiv",
    "version": 2
  }
}