Pith Number

pith:N6SZQMPG

pith:2012:N6SZQMPGM6BHQYV3E4TGGK5DTV

not attested not anchored not stored refs pending

The hourglass and the early conservation models - co-existing evolutionary patterns in vertebrate development

Barbara Piasecka, Marc Robinson-Rechavi, Pawel Lichocki, Sebastien Moretti, Sven Bergmann

arxiv:1210.6444 v2 · 2012-10-24 · q-bio.PE · q-bio.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N6SZQMPGM6BHQYV3E4TGGK5DTV}

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	2026-05-18T03:31:06.505219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fa59831e667827862bb2726632ba39d782d6406668c16c213e641d67357663c

Aliases

arxiv: 1210.6444 · arxiv_version: 1210.6444v2 · doi: 10.48550/arxiv.1210.6444 · pith_short_12: N6SZQMPGM6BH · pith_short_16: N6SZQMPGM6BHQYV3 · pith_short_8: N6SZQMPG

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/N6SZQMPGM6BHQYV3E4TGGK5DTV \
  | 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: 6fa59831e667827862bb2726632ba39d782d6406668c16c213e641d67357663c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6154e42dacc2749cce0e56e6f34210611dcd73ee249bf460b69f5ffb1667ae15",
    "cross_cats_sorted": [
      "q-bio.GN"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-10-24T07:22:42Z",
    "title_canon_sha256": "37fe28b888f3dcceab41f71784216d9062ca9042a86cfb94012e1041e58d2bc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6444",
    "kind": "arxiv",
    "version": 2
  }
}