Pith Number

pith:VHUEYKAW

pith:2021:VHUEYKAWZ42RVUW6NUEEGDYK3L

not attested not anchored not stored refs pending

Leaving Flatland: Advances in 3D behavioral measurement

Jesse D. Marshall, Joshua H. Wu, Tianqing Li, Timothy W. Dunn

arxiv:2112.01987 v1 · 2021-12-03 · q-bio.NC · q-bio.QM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VHUEYKAWZ42RVUW6NUEEGDYK3L}

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	2026-07-05T03:37:34.705304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9e84c2816cf351ad2de6d08430f0adad42639055a0bcc61e5aaa5b6b0aa0f29

Aliases

arxiv: 2112.01987 · arxiv_version: 2112.01987v1 · doi: 10.48550/arxiv.2112.01987 · pith_short_12: VHUEYKAWZ42R · pith_short_16: VHUEYKAWZ42RVUW6 · pith_short_8: VHUEYKAW

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/VHUEYKAWZ42RVUW6NUEEGDYK3L \
  | 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: a9e84c2816cf351ad2de6d08430f0adad42639055a0bcc61e5aaa5b6b0aa0f29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bd335c08d4b7bb3a33b50eb8999180ccee5e052e1c83d27c2631daa90d4d201",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2021-12-03T15:59:11Z",
    "title_canon_sha256": "0dce99d49466c6d3f34e2dd998b20b19a065a5d7b86b95c96ed5e0d9a2538e2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.01987",
    "kind": "arxiv",
    "version": 1
  }
}