Pith Number

pith:3FBQ63BO

pith:2013:3FBQ63BOEAT5ODU4IIRAOD4HM3

not attested not anchored not stored refs pending

Non-invasive light observer

Andrea Melloni, Francesco Morichetti, Giorgio Ferrari, Marco Carminati, Marco Sampietro, Marc Sorel, Michael Strain, Stefano Grillanda

arxiv:1310.7420 v1 · 2013-10-28 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3FBQ63BOEAT5ODU4IIRAOD4HM3}

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	2026-05-18T03:08:45.372942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9430f6c2e2027d70e9c4222070f8766d8252d79ca4c21df41670931e905974b

Aliases

arxiv: 1310.7420 · arxiv_version: 1310.7420v1 · doi: 10.48550/arxiv.1310.7420 · pith_short_12: 3FBQ63BOEAT5 · pith_short_16: 3FBQ63BOEAT5ODU4 · pith_short_8: 3FBQ63BO

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/3FBQ63BOEAT5ODU4IIRAOD4HM3 \
  | 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: d9430f6c2e2027d70e9c4222070f8766d8252d79ca4c21df41670931e905974b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d6fb33ad14c389a19657334dddd39b9e7aaf9fe70031af9640eed9d1bae94d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-10-28T13:59:42Z",
    "title_canon_sha256": "a6fbf20745ac7d72ea73fc1c49ffedbaa4d838b5c956ecc6874d9a6defe16961"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7420",
    "kind": "arxiv",
    "version": 1
  }
}