Pith Number

pith:7DV2I5O3

pith:2016:7DV2I5O3GRT25DFFJTRTSCWWYG

not attested not anchored not stored refs pending

The reflection principle and Calder\'on problems with partial data

Leo Tzou

arxiv:1602.03274 v1 · 2016-02-10 · 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{7DV2I5O3GRT25DFFJTRTSCWWYG}

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	2026-05-18T01:21:00.363425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8eba475db3467ae8ca54ce3390ad6c18a9da817663d1745e1d34357da4d45d9

Aliases

arxiv: 1602.03274 · arxiv_version: 1602.03274v1 · doi: 10.48550/arxiv.1602.03274 · pith_short_12: 7DV2I5O3GRT2 · pith_short_16: 7DV2I5O3GRT25DFF · pith_short_8: 7DV2I5O3

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/7DV2I5O3GRT25DFFJTRTSCWWYG \
  | 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: f8eba475db3467ae8ca54ce3390ad6c18a9da817663d1745e1d34357da4d45d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d8130967de7d860f2c5e943b49ba4cc7f9942e4b78ab3743fa455fda10c7523",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-02-10T06:15:55Z",
    "title_canon_sha256": "44f2c7655dfbffbe17f3a39d764608259dced6794cde7268abf397baf7756465"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.03274",
    "kind": "arxiv",
    "version": 1
  }
}