Pith Number

pith:PJ2PXEPN

pith:2017:PJ2PXEPNRT3OQG4LVI3B6BNI4U

not attested not anchored not stored refs pending

On the functional window of the avian compass

Dipankar Saha, Kiran Kondabagil, Swaroop Ganguly, Vishvendra Singh Poonia

arxiv:1702.03388 v1 · 2017-02-11 · physics.bio-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{PJ2PXEPNRT3OQG4LVI3B6BNI4U}

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	2026-05-18T00:43:26.714020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a74fb91ed8cf6e81b8baa361f05a8e52e859d7590a67dccfcb4f82395338e37

Aliases

arxiv: 1702.03388 · arxiv_version: 1702.03388v1 · doi: 10.48550/arxiv.1702.03388 · pith_short_12: PJ2PXEPNRT3O · pith_short_16: PJ2PXEPNRT3OQG4L · pith_short_8: PJ2PXEPN

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/PJ2PXEPNRT3OQG4LVI3B6BNI4U \
  | 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: 7a74fb91ed8cf6e81b8baa361f05a8e52e859d7590a67dccfcb4f82395338e37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "433472e8c55316819ad73b3ad83acecbefd653786aa8dbe78fbeb0f6e4cc98a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2017-02-11T06:32:00Z",
    "title_canon_sha256": "89b1049eada6fee6b9b7ac0ec8840f92857627316d183adc77a68c83c70d34ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03388",
    "kind": "arxiv",
    "version": 1
  }
}