Pith Number

pith:BWULHRRX

pith:1994:BWULHRRXA3WUXDPASQE4YWI7IL

not attested not anchored not stored refs pending

Linear Time-Dependent Invariants for Scalar Fields and Noether's Theorem

O. Casta\~nos, R. L\'opez-Pe\~na, V.I. Man'ko

arxiv:hep-th/9405037 v1 · 1994-05-05 · 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{BWULHRRXA3WUXDPASQE4YWI7IL}

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	2026-05-18T01:38:41.784944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0da8b3c63706ed4b8de09409cc591f42f8e7fe9399910c49ce8a721818159da0

Aliases

arxiv: hep-th/9405037 · arxiv_version: hep-th/9405037v1 · doi: 10.48550/arxiv.hep-th/9405037 · pith_short_12: BWULHRRXA3WU · pith_short_16: BWULHRRXA3WUXDPA · pith_short_8: BWULHRRX

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/BWULHRRXA3WUXDPASQE4YWI7IL \
  | 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: 0da8b3c63706ed4b8de09409cc591f42f8e7fe9399910c49ce8a721818159da0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90a07218d23096a7e8e61db187c62235d9671d808c1fd3491cb75eba263b27c3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1994-05-05T19:13:26Z",
    "title_canon_sha256": "a73194bacf3952b4fb62c53fd5102b6e3c45c4f238161cda130ba08d2b809c69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9405037",
    "kind": "arxiv",
    "version": 1
  }
}