Pith Number

pith:Q3ZSII5A

pith:2015:Q3ZSII5AA47SNXGNJ67PWDVVFU

not attested not anchored not stored refs pending

Boundary Conditions and the Generalized Metric Formulation of the Double Sigma Model

Chen-Te Ma

arxiv:1502.02378 v2 · 2015-02-09 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q3ZSII5AA47SNXGNJ67PWDVVFU}

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	2026-05-18T01:25:01.905845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86f32423a0073f26dccd4fbefb0eb52d09c2cd76906bf958eb74aab494db9236

Aliases

arxiv: 1502.02378 · arxiv_version: 1502.02378v2 · doi: 10.48550/arxiv.1502.02378 · pith_short_12: Q3ZSII5AA47S · pith_short_16: Q3ZSII5AA47SNXGN · pith_short_8: Q3ZSII5A

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/Q3ZSII5AA47SNXGNJ67PWDVVFU \
  | 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: 86f32423a0073f26dccd4fbefb0eb52d09c2cd76906bf958eb74aab494db9236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d41b6a8811a7764daab8ecaa6ec09c7de5e0d8793723f348eae7b8b30154740",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-02-09T06:42:08Z",
    "title_canon_sha256": "421eca941f43ddae9de6b6431a6180d03bd09f45f7543555f2916b5de0d4e8b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02378",
    "kind": "arxiv",
    "version": 2
  }
}