Pith Number

pith:X3I3H4YA

pith:2019:X3I3H4YAP5M2FXF6A6Y5Q3FSJB

not attested not anchored not stored refs pending

$\theta$-curves in proteins

Andrzej Stasiak, Dimos Goundaroulis, Joanna I. Sulkowska, Pawel Dabrowski-Tumanski

arxiv:1908.05919 v1 · 2019-08-16 · cond-mat.soft · physics.bio-ph · q-bio.BM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X3I3H4YAP5M2FXF6A6Y5Q3FSJB}

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	2026-07-04T23:57:54.412036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bed1b3f3007f59a2dcbe07b1d86cb248481dad7318e15e910792c6f8fe8f9b0b

Aliases

arxiv: 1908.05919 · arxiv_version: 1908.05919v1 · doi: 10.48550/arxiv.1908.05919 · pith_short_12: X3I3H4YAP5M2 · pith_short_16: X3I3H4YAP5M2FXF6 · pith_short_8: X3I3H4YA

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/X3I3H4YAP5M2FXF6A6Y5Q3FSJB \
  | 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: bed1b3f3007f59a2dcbe07b1d86cb248481dad7318e15e910792c6f8fe8f9b0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dc534760ebeccfb53bb128ad5c58cc368af7588cc947dfe11cbf1a75293079d",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.BM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2019-08-16T10:11:56Z",
    "title_canon_sha256": "1c03aaa082adf8e94a95a9f1f06fcb0568220211605078b971859c5ebbec05d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05919",
    "kind": "arxiv",
    "version": 1
  }
}