Pith Number

pith:5MU46TTE

pith:2014:5MU46TTE7SSU3O2QC47LNT5RWS

not attested not anchored not stored refs pending

Ellipticity induced in vacuum birefringence

Greger Torgrimsson

arxiv:1409.8069 v1 · 2014-09-29 · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5MU46TTE7SSU3O2QC47LNT5RWS}

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	2026-05-18T01:31:46.379002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb29cf4e64fca54dbb50173eb6cfb1b4b6e5b73be207fd689b409d374506ec5d

Aliases

arxiv: 1409.8069 · arxiv_version: 1409.8069v1 · doi: 10.48550/arxiv.1409.8069 · pith_short_12: 5MU46TTE7SSU · pith_short_16: 5MU46TTE7SSU3O2Q · pith_short_8: 5MU46TTE

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/5MU46TTE7SSU3O2QC47LNT5RWS \
  | 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: eb29cf4e64fca54dbb50173eb6cfb1b4b6e5b73be207fd689b409d374506ec5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e7cd2da8c5bb5e8951acda1e56a6c9914dd4915387e7024b27b61dcbb691874",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2014-09-29T10:54:11Z",
    "title_canon_sha256": "ca7550a5f6ebd5785796708860df5bed6798cdc1e1c383d2f98325bc2a0315f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8069",
    "kind": "arxiv",
    "version": 1
  }
}