Pith Number

pith:W4ECDPHA

pith:2017:W4ECDPHAU4QNB4JSWUQJJ7TGIB

not attested not anchored not stored refs pending

On the proof of the Thin Sandwich Conjecture in arbitrary dimensions

C. Romero, F. Dahia, J.H. Lira, R. Avalos

arxiv:1703.07899 v2 · 2017-03-23 · gr-qc · 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{W4ECDPHAU4QNB4JSWUQJJ7TGIB}

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	2026-05-18T00:31:31.255997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b70821bce0a720d0f132b52094fe664057bf32e74724c2df3da6d309ead2d0dc

Aliases

arxiv: 1703.07899 · arxiv_version: 1703.07899v2 · doi: 10.48550/arxiv.1703.07899 · pith_short_12: W4ECDPHAU4QN · pith_short_16: W4ECDPHAU4QNB4JS · pith_short_8: W4ECDPHA

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/W4ECDPHAU4QNB4JSWUQJJ7TGIB \
  | 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: b70821bce0a720d0f132b52094fe664057bf32e74724c2df3da6d309ead2d0dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4fe78ae141be14d8de1a23d4c1d7f35af4743a99e7085926ddffe270a9635f0",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-03-23T00:44:09Z",
    "title_canon_sha256": "751c540ca7a127b86e09b17db537d39597771cb551d1ba6e0dd7a8c322d1f5e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07899",
    "kind": "arxiv",
    "version": 2
  }
}