Pith Number

pith:7ONB5LE4

pith:2013:7ONB5LE45XCVB7K43MLZ2VRYR5

not attested not anchored not stored refs pending

The Egg of Columbus for making the world toughest fibres

Nicola M. Pugno

arxiv:1304.6658 v1 · 2013-04-24 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ONB5LE45XCVB7K43MLZ2VRYR5}

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	2026-05-18T01:50:22.415204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb9a1eac9cedc550fd5cdb179d56388f624ded7f351a6723f63c84f2d2765e22

Aliases

arxiv: 1304.6658 · arxiv_version: 1304.6658v1 · doi: 10.48550/arxiv.1304.6658 · pith_short_12: 7ONB5LE45XCV · pith_short_16: 7ONB5LE45XCVB7K4 · pith_short_8: 7ONB5LE4

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/7ONB5LE45XCVB7K43MLZ2VRYR5 \
  | 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: fb9a1eac9cedc550fd5cdb179d56388f624ded7f351a6723f63c84f2d2765e22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5341ccbdf82996e91b238feed2e1cd0861af9617576a817ea9335b484963771",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-04-24T16:33:01Z",
    "title_canon_sha256": "afcd1aed7f203b268b59aff187f0031c0ed80e98a54b1cb1038bc1772b17b56e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6658",
    "kind": "arxiv",
    "version": 1
  }
}