Pith Number

pith:4EPVHIKR

pith:2013:4EPVHIKR6MT7A4RI67A7E2G6VB

not attested not anchored not stored refs pending

A silicon electromechanical photodetector

Siddharth Tallur, Sunil A. Bhave

arxiv:1303.3900 v1 · 2013-03-15 · 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{4EPVHIKR6MT7A4RI67A7E2G6VB}

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	2026-05-18T00:39:41.172686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e11f53a151f327f07228f7c1f268dea84198053a23ed47ba33f89e40bc08497b

Aliases

arxiv: 1303.3900 · arxiv_version: 1303.3900v1 · doi: 10.48550/arxiv.1303.3900 · pith_short_12: 4EPVHIKR6MT7 · pith_short_16: 4EPVHIKR6MT7A4RI · pith_short_8: 4EPVHIKR

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/4EPVHIKR6MT7A4RI67A7E2G6VB \
  | 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: e11f53a151f327f07228f7c1f268dea84198053a23ed47ba33f89e40bc08497b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92913d3088d8e322e7399de171d4d3511cf67ec5f8711820fbf8001a9c08445b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-03-15T20:28:13Z",
    "title_canon_sha256": "a1c3bb933048f950ccc5dc38cc8d323a39aefc3fb3d6d766e65c66ff7468a93e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3900",
    "kind": "arxiv",
    "version": 1
  }
}