Pith Number

pith:PAMQW6BV

pith:2018:PAMQW6BVTRR2ISA6LUANIV45FW

not attested not anchored not stored refs pending

Precise spatial scaling in the early fly embryo

Gentian Muhaxheri, Mariela Petkova, Martin Scheeler, Thomas Gregor, Victoria Antonetti, William Bialek

arxiv:1812.11384 v1 · 2018-12-29 · q-bio.MN · 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{PAMQW6BVTRR2ISA6LUANIV45FW}

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	2026-05-17T23:57:12.096623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78190b78359c63a4481e5d00d4579d2d8d00ef452a32ba09dbcb989a23ca7983

Aliases

arxiv: 1812.11384 · arxiv_version: 1812.11384v1 · doi: 10.48550/arxiv.1812.11384 · pith_short_12: PAMQW6BVTRR2 · pith_short_16: PAMQW6BVTRR2ISA6 · pith_short_8: PAMQW6BV

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/PAMQW6BVTRR2ISA6LUANIV45FW \
  | 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: 78190b78359c63a4481e5d00d4579d2d8d00ef452a32ba09dbcb989a23ca7983

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17343043b74d64205fd4e278726020af052016db13441651f0e4afaf7ec94385",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.MN",
    "submitted_at": "2018-12-29T15:38:52Z",
    "title_canon_sha256": "8508beb99182162b7d6d3dc7b7bd10e94ebc08d5b6a4bcb9037f6e2d3d03509b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11384",
    "kind": "arxiv",
    "version": 1
  }
}