Pith Number

pith:TZG7FUH2

pith:2012:TZG7FUH23IDGWX5TMED6ADJEVB

not attested not anchored not stored refs pending

Entangled granular media

Daniel I. Goldman, David L. Hu, Nick Gravish, Scott V. Franklin

arxiv:1204.6654 v1 · 2012-04-30 · 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{TZG7FUH23IDGWX5TMED6ADJEVB}

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	2026-05-18T03:56:44.187914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e4df2d0fada066b5fb36107e00d24a8702425364f8cd003a637465d6d5db291

Aliases

arxiv: 1204.6654 · arxiv_version: 1204.6654v1 · doi: 10.48550/arxiv.1204.6654 · pith_short_12: TZG7FUH23IDG · pith_short_16: TZG7FUH23IDGWX5T · pith_short_8: TZG7FUH2

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/TZG7FUH23IDGWX5TMED6ADJEVB \
  | 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: 9e4df2d0fada066b5fb36107e00d24a8702425364f8cd003a637465d6d5db291

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9aebb87eb963c8444fae9e9a1373e63e24ce3b4dda1aa98c87144ace5209b28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2012-04-30T14:50:14Z",
    "title_canon_sha256": "25e2df20ca2d58c77beede9bac7c75c8e2f9c5953b7f3f43e913799ee5387e6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6654",
    "kind": "arxiv",
    "version": 1
  }
}