Pith Number

pith:OTH4RUB6

pith:2008:OTH4RUB6YFLTNO2W3JZGQH7OVJ

not attested not anchored not stored refs pending

A note on the Chevalley-Eilenberg Cohomology for the Galilei and Poincare Algebras

Joaquim Gomis, Sotirios Bonanos

arxiv:0808.2243 v2 · 2008-08-18 · 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{OTH4RUB6YFLTNO2W3JZGQH7OVJ}

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	2026-05-18T04:19:52.315362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74cfc8d03ec15736bb56da72681feeaa7b12d09ddb19e969f713626b335602c7

Aliases

arxiv: 0808.2243 · arxiv_version: 0808.2243v2 · doi: 10.48550/arxiv.0808.2243 · pith_short_12: OTH4RUB6YFLT · pith_short_16: OTH4RUB6YFLTNO2W · pith_short_8: OTH4RUB6

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/OTH4RUB6YFLTNO2W3JZGQH7OVJ \
  | 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: 74cfc8d03ec15736bb56da72681feeaa7b12d09ddb19e969f713626b335602c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4914dd586691222553a0e2095c8f038cdd878cb704450cc50bd41cbcf001b3b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-08-18T08:03:43Z",
    "title_canon_sha256": "cee9fc110e8fe2e4ce9306461d1893747d8280ca00b5997ad2d21855a38bc96d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.2243",
    "kind": "arxiv",
    "version": 2
  }
}