Pith Number

pith:BLAA7ESI

pith:2020:BLAA7ESIZRVRFRGPZB4WTIJU3N

not attested not anchored not stored refs pending

Magnetic Noise Enabled Biocompass

Da-Wu Xiao, Nan Zhao, Wen-Hui Hu, Yunfeng Cai

arxiv:2003.13816 v2 · 2020-03-09 · physics.bio-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{BLAA7ESIZRVRFRGPZB4WTIJU3N}

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	2026-07-05T00:51:54.883564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ac00f9248cc6b12c4cfc87969a134db5daa3ec36ac3214185c931f27f21954d

Aliases

arxiv: 2003.13816 · arxiv_version: 2003.13816v2 · doi: 10.48550/arxiv.2003.13816 · pith_short_12: BLAA7ESIZRVR · pith_short_16: BLAA7ESIZRVRFRGP · pith_short_8: BLAA7ESI

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/BLAA7ESIZRVRFRGPZB4WTIJU3N \
  | 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: 0ac00f9248cc6b12c4cfc87969a134db5daa3ec36ac3214185c931f27f21954d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "587465173333563ac5ff2c06b9d89f2fa1f3ab9dedf9691c769f83c9d030f1a4",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2020-03-09T00:16:22Z",
    "title_canon_sha256": "7b433ad37a0e3fcbee3c1f814b1fb1006e8824ebbfc78d186c863916a42a3b1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.13816",
    "kind": "arxiv",
    "version": 2
  }
}