Pith Number

pith:64MY3QI3

pith:2013:64MY3QI3UJ7DRYV33G2S3ATVFX

not attested not anchored not stored refs pending

Constraint equations for general hypersurfaces and applications to shells

Marc Mars

arxiv:1303.4575 v1 · 2013-03-19 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{64MY3QI3UJ7DRYV33G2S3ATVFX}

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	2026-05-18T01:51:00.805698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7198dc11ba27e38e2bbd9b52d82752dea9aa5175bdcb3dbc2590d92febbadf0

Aliases

arxiv: 1303.4575 · arxiv_version: 1303.4575v1 · doi: 10.48550/arxiv.1303.4575 · pith_short_12: 64MY3QI3UJ7D · pith_short_16: 64MY3QI3UJ7DRYV3 · pith_short_8: 64MY3QI3

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/64MY3QI3UJ7DRYV33G2S3ATVFX \
  | 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: f7198dc11ba27e38e2bbd9b52d82752dea9aa5175bdcb3dbc2590d92febbadf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4f4b8d79032462988a987446b7f4a560603eaa34fff29fb303e07ac939082d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-03-19T13:00:23Z",
    "title_canon_sha256": "58d0bcecb54452d4222532e1b593758b549c18a848a661659f4a7cc32aa9dfb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4575",
    "kind": "arxiv",
    "version": 1
  }
}