Pith Number

pith:DRMA4CD6

pith:2008:DRMA4CD64NRC4WOIPOEMYGOJ6Y

not attested not anchored not stored refs pending

The Principle of Least Action for Fields Containing Higher Order Derivatives

Nguyen Duc Minh

arxiv:0807.4431 v1 · 2008-07-28 · 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{DRMA4CD64NRC4WOIPOEMYGOJ6Y}

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.

Cited by

1 paper in Pith

Covariant field with unique mass and spin 3/2

Receipt and verification

First computed	2026-07-04T15:13:14.273261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c580e087ee3622e59c87b88cc19c9f600bd8dd60e8d76b904f5e35ab4e6020b

Aliases

arxiv: 0807.4431 · arxiv_version: 0807.4431v1 · doi: 10.48550/arxiv.0807.4431 · pith_short_12: DRMA4CD64NRC · pith_short_16: DRMA4CD64NRC4WOI · pith_short_8: DRMA4CD6

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/DRMA4CD64NRC4WOIPOEMYGOJ6Y \
  | 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: 1c580e087ee3622e59c87b88cc19c9f600bd8dd60e8d76b904f5e35ab4e6020b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b444c0710997652cfc6ced50d59b6f3da5800d7db29a271c09db36ca0288a62d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-07-28T12:35:04Z",
    "title_canon_sha256": "a59287192d1e71a8a30aeb4ccc6a40410af5c5cb49ca3baa554482071fbf0b7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.4431",
    "kind": "arxiv",
    "version": 1
  }
}