Pith Number

pith:4ANAEMCH

pith:2015:4ANAEMCHHX5H6QEW3WHXUMMLQX

not attested not anchored not stored refs pending

Joint time and frequency dissemination network over delay-stabilized fiber optic links

Dan Xu, Fei Yang, Haiwen Cai, Nan Cheng, Qin Liu, Wei Chen, Youzhen Gui

arxiv:1501.05403 v1 · 2015-01-22 · 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{4ANAEMCHHX5H6QEW3WHXUMMLQX}

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	2026-05-18T01:18:47.850709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e01a0230473dfa7f4096dd8f7a318b85f1e309d1e996c7afc55d6e69e053db06

Aliases

arxiv: 1501.05403 · arxiv_version: 1501.05403v1 · doi: 10.48550/arxiv.1501.05403 · pith_short_12: 4ANAEMCHHX5H · pith_short_16: 4ANAEMCHHX5H6QEW · pith_short_8: 4ANAEMCH

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/4ANAEMCHHX5H6QEW3WHXUMMLQX \
  | 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: e01a0230473dfa7f4096dd8f7a318b85f1e309d1e996c7afc55d6e69e053db06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ca2502f0e04e49679f0940b9f2053b5a8cce2d3da13a3de8bc27bf8c7b789c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-01-22T06:11:44Z",
    "title_canon_sha256": "5f6b75924af23fb6b2c481955e06ce6bee71766a9bad8d81f376285e696fc0c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05403",
    "kind": "arxiv",
    "version": 1
  }
}