Pith Number

pith:HPXGKXS5

pith:2012:HPXGKXS5Q4PSA7XDO2KUJZ42LG

not attested not anchored not stored refs pending

Fluctuations and differential contraction during regeneration of Hydra vulgaris tissue toroids

Claus F\"utterer, Iris Wenzel, Joseph Goldmann, Julia Fischer, Kao-Nung Lin, Markus K\"astner, Michael Krahe

arxiv:1207.1064 v2 · 2012-07-04 · physics.bio-ph · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HPXGKXS5Q4PSA7XDO2KUJZ42LG}

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	2026-05-18T03:31:54.197170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bee655e5d871f207ee3769544e79a5990ec50ff29208d22baf9e611e17f55ba

Aliases

arxiv: 1207.1064 · arxiv_version: 1207.1064v2 · doi: 10.48550/arxiv.1207.1064 · pith_short_12: HPXGKXS5Q4PS · pith_short_16: HPXGKXS5Q4PSA7XD · pith_short_8: HPXGKXS5

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/HPXGKXS5Q4PSA7XDO2KUJZ42LG \
  | 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: 3bee655e5d871f207ee3769544e79a5990ec50ff29208d22baf9e611e17f55ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0248a021c81ccc84318fefc68f63cee6c048d729fd4e925796204110ec15083",
    "cross_cats_sorted": [
      "q-bio.TO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2012-07-04T17:46:43Z",
    "title_canon_sha256": "17c2ec5577b260722a9c238d03d4b72e39147559558aaf44aa88e6fc1c8033a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1064",
    "kind": "arxiv",
    "version": 2
  }
}