Pith Number

pith:U6Z2GOBM

pith:2019:U6Z2GOBM5S2LADS5XM5B246TE4

not attested not anchored not stored refs pending

Seeding hESCs to achieve optimal colony clonality

Alex Laude, Anvar Shukurov, Irina Neganova, Laura E Wadkin, Majlina Lako, Nicholas G Parker, Sanja Bojic, Sirio Orozco-Fuentes

arxiv:1904.10899 v1 · 2019-04-16 · q-bio.CB · 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{U6Z2GOBM5S2LADS5XM5B246TE4}

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	2026-05-17T23:47:49.774752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7b3a3382cecb4b00e5dbb3a1d73d3270a049f776b5568af6e0a9dd52466658d

Aliases

arxiv: 1904.10899 · arxiv_version: 1904.10899v1 · doi: 10.48550/arxiv.1904.10899 · pith_short_12: U6Z2GOBM5S2L · pith_short_16: U6Z2GOBM5S2LADS5 · pith_short_8: U6Z2GOBM

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/U6Z2GOBM5S2LADS5XM5B246TE4 \
  | 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: a7b3a3382cecb4b00e5dbb3a1d73d3270a049f776b5568af6e0a9dd52466658d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca7c72cfcefe469512e73dd25e2d6242c27ebb3e717aa59435b0d80ae4b4f10d",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.CB",
    "submitted_at": "2019-04-16T18:58:38Z",
    "title_canon_sha256": "987b2976da5553a8dd674ccb6fb6f2f8588052daedb91946ecfcaf1d59ec89cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10899",
    "kind": "arxiv",
    "version": 1
  }
}