Pith Number

pith:UM7MJTYI

pith:2017:UM7MJTYIR4UOOZKWJHBZW57R2A

not attested not anchored not stored refs pending

Liquid crystals and their defects

John M. Ball

arxiv:1706.06861 v3 · 2017-06-21 · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UM7MJTYIR4UOOZKWJHBZW57R2A}

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	2026-05-18T00:35:16.113419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a33ec4cf088f28e7655649c39b77f1d00d4bc01a96691730b59023909394c574

Aliases

arxiv: 1706.06861 · arxiv_version: 1706.06861v3 · doi: 10.48550/arxiv.1706.06861 · pith_short_12: UM7MJTYIR4UO · pith_short_16: UM7MJTYIR4UOOZKW · pith_short_8: UM7MJTYI

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/UM7MJTYIR4UOOZKWJHBZW57R2A \
  | 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: a33ec4cf088f28e7655649c39b77f1d00d4bc01a96691730b59023909394c574

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbea23e08cd8aed74f9f67b891da1929d5b33cb1a27f1a7faa08dd714715935e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2017-06-21T12:38:11Z",
    "title_canon_sha256": "a85c53e49266ef4e43b2c28667b70118102994d0e3aeb630330b65c5df0ddf17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06861",
    "kind": "arxiv",
    "version": 3
  }
}