Pith Number

pith:U6JC5VCX

pith:2014:U6JC5VCXQ5NX7JWG4NGXP3AM7S

not attested not anchored not stored refs pending

An intuitive introduction to the concept of spatial coherence

Eduardo Grumel, H\'ector Rabal, Marcelo Trivi, Nelly L. Cap

arxiv:1408.3820 v1 · 2014-08-17 · physics.optics · physics.ed-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{U6JC5VCXQ5NX7JWG4NGXP3AM7S}

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	2026-05-18T02:45:03.218345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7922ed457875b7fa6c6e34d77ec0cfc9f06b05fdc0190f97d4bb999aa9df0e7

Aliases

arxiv: 1408.3820 · arxiv_version: 1408.3820v1 · doi: 10.48550/arxiv.1408.3820 · pith_short_12: U6JC5VCXQ5NX · pith_short_16: U6JC5VCXQ5NX7JWG · pith_short_8: U6JC5VCX

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/U6JC5VCXQ5NX7JWG4NGXP3AM7S \
  | 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: a7922ed457875b7fa6c6e34d77ec0cfc9f06b05fdc0190f97d4bb999aa9df0e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7b3f1468520e309ae1d4d599bb42ce42d7260683edb8e953aed6eddef657fc3",
    "cross_cats_sorted": [
      "physics.ed-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-08-17T13:01:13Z",
    "title_canon_sha256": "5539c6a35c39ef0eef4f82c8f931badfe9399dd94d0ce860b3c2b3d4f3dfbae2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3820",
    "kind": "arxiv",
    "version": 1
  }
}