Pith Number

pith:QMEUHPDP

pith:2015:QMEUHPDP2U56KW5OVBR25SAPVR

not attested not anchored not stored refs pending

Vortex dynamics in trabeculated embryonic ventricles

Andrea N. Lane, Dylan R. Douglas, Jiandong Liu, Laura A. Miller, Leigh Ann Samsa, Nicholas A. Battista

arxiv:1601.07917 v2 · 2015-12-15 · q-bio.TO · 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{QMEUHPDP2U56KW5OVBR25SAPVR}

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	2026-05-18T00:05:34.788933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

830943bc6fd53be55baea863aec80fac7f892f29c55cee72585fa5eeeae7cfcb

Aliases

arxiv: 1601.07917 · arxiv_version: 1601.07917v2 · doi: 10.48550/arxiv.1601.07917 · pith_short_12: QMEUHPDP2U56 · pith_short_16: QMEUHPDP2U56KW5O · pith_short_8: QMEUHPDP

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/QMEUHPDP2U56KW5OVBR25SAPVR \
  | 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: 830943bc6fd53be55baea863aec80fac7f892f29c55cee72585fa5eeeae7cfcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "140c585b7f67181cbb5617017bb21038fa972d1884e63542c5d0bcb2d66ec821",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.TO",
    "submitted_at": "2015-12-15T19:07:27Z",
    "title_canon_sha256": "91cf1f791b3e20759a8919eee4ca7a6620354462fc09089e0bb380a6ab1888d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07917",
    "kind": "arxiv",
    "version": 2
  }
}