Pith Number

pith:XD7VCUTX

pith:2021:XD7VCUTXMUI5QNBC5J2WS5Y2YQ

not attested not anchored not stored refs pending

Emergent oscillations assist obstacle negotiation during ant cooperative transport

Aviram Gelblum, Ehud Fonio, Itai Pinkoviezky, Nir S. Gov, Ofer Feinerman

arxiv:2107.09508 v1 · 2021-07-20 · 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{XD7VCUTXMUI5QNBC5J2WS5Y2YQ}

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	2026-07-05T02:59:31.810734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8ff5152776511d83422ea7569771ac42dd76e478d9e083be05257ea89d09e3d

Aliases

arxiv: 2107.09508 · arxiv_version: 2107.09508v1 · doi: 10.48550/arxiv.2107.09508 · pith_short_12: XD7VCUTXMUI5 · pith_short_16: XD7VCUTXMUI5QNBC · pith_short_8: XD7VCUTX

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/XD7VCUTXMUI5QNBC5J2WS5Y2YQ \
  | 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: b8ff5152776511d83422ea7569771ac42dd76e478d9e083be05257ea89d09e3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4a9c696a03f1f33b4d7d6138cfc12ab62a10ce38fdb367b87f1ece3a24c5a1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2021-07-20T13:59:43Z",
    "title_canon_sha256": "e12c31d4c676a40dc588243da9a7cbd33d768e2b1835fa8c294ca7c82e83d324"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.09508",
    "kind": "arxiv",
    "version": 1
  }
}