Pith Number

pith:EYL5SD2I

pith:2018:EYL5SD2I7N7OSCGCRKD5XLA5XB

not attested not anchored not stored refs pending

A sincere tribute to E.C.G Sudarshan's phenomenal contribution toward quantum theory of optical coherence

Anik Rudra, Arindam Kumar Chatterjee, Soham Chakraborty

arxiv:1812.03854 v2 · 2018-11-21 · physics.hist-ph · quant-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{EYL5SD2I7N7OSCGCRKD5XLA5XB}

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	2026-05-17T23:42:02.743696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2617d90f48fb7ee908c28a87dbac1db876a9f962a5a80a7d7ad7298cb251fd45

Aliases

arxiv: 1812.03854 · arxiv_version: 1812.03854v2 · doi: 10.48550/arxiv.1812.03854 · pith_short_12: EYL5SD2I7N7O · pith_short_16: EYL5SD2I7N7OSCGC · pith_short_8: EYL5SD2I

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/EYL5SD2I7N7OSCGCRKD5XLA5XB \
  | 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: 2617d90f48fb7ee908c28a87dbac1db876a9f962a5a80a7d7ad7298cb251fd45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53def929d9116410aaf23b3b52f8cf25b6787bc103fe53d48d19291a7d087fbf",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2018-11-21T18:25:18Z",
    "title_canon_sha256": "f87edc07301c919871103f116d8dbfde73fed2a5aa7cdb5b0a76f76408c12170"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03854",
    "kind": "arxiv",
    "version": 2
  }
}