Pith Number

pith:PLAQ3IOQ

pith:2014:PLAQ3IOQ6DWACK26MM4QZM6HOF

not attested not anchored not stored refs pending

Relative Deligne cohomology and Cheeger-Simons characters

Fabio Ferrari Ruffino

arxiv:1401.0631 v1 · 2014-01-03 · math.DG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PLAQ3IOQ6DWACK26MM4QZM6HOF}

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	2026-05-18T03:03:21.891096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ac10da1d0f0ec012b5e63390cb3c77176ee577f52717a05b57bf73bbca57d28

Aliases

arxiv: 1401.0631 · arxiv_version: 1401.0631v1 · doi: 10.48550/arxiv.1401.0631 · pith_short_12: PLAQ3IOQ6DWA · pith_short_16: PLAQ3IOQ6DWACK26 · pith_short_8: PLAQ3IOQ

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/PLAQ3IOQ6DWACK26MM4QZM6HOF \
  | 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: 7ac10da1d0f0ec012b5e63390cb3c77176ee577f52717a05b57bf73bbca57d28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f747df5c6866efda52a1907ed2f2aeb05e92e17d6ce883a7f135336ca4f2653c",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-01-03T12:06:06Z",
    "title_canon_sha256": "81a04080736aae9b86e15a3cf9d023b981d7b5289858e87f91335d718bafeff4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0631",
    "kind": "arxiv",
    "version": 1
  }
}