Pith Number

pith:7QNURJWC

pith:2014:7QNURJWC5KONSO6C6XST3QEMKL

not attested not anchored not stored refs pending

Metamirrors

Sergei Tretyakov, Viktar Asadchy, Younes Radi

arxiv:1404.1780 v1 · 2014-04-07 · 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{7QNURJWC5KONSO6C6XST3QEMKL}

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	2026-05-18T02:54:40.193541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc1b48a6c2ea9cd93bc2f5e53dc08c52f1c3ccf09ad8de418e9605d19caa67b1

Aliases

arxiv: 1404.1780 · arxiv_version: 1404.1780v1 · doi: 10.48550/arxiv.1404.1780 · pith_short_12: 7QNURJWC5KON · pith_short_16: 7QNURJWC5KONSO6C · pith_short_8: 7QNURJWC

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/7QNURJWC5KONSO6C6XST3QEMKL \
  | 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: fc1b48a6c2ea9cd93bc2f5e53dc08c52f1c3ccf09ad8de418e9605d19caa67b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33a03de3784b76eeb0121f7b5436675ca8d608cbe4aa3f76a9ba6a9296f6bb6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-04-07T13:27:34Z",
    "title_canon_sha256": "56c7b2d42d91188fdd8494c81aaad658bc268321b0556dbacdd202a0f0ae8166"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1780",
    "kind": "arxiv",
    "version": 1
  }
}