Pith Number

pith:BUNHTVWT

pith:2012:BUNHTVWTHNGQ3PMNFDZDF6IGXP

not attested not anchored not stored refs pending

Characterization of nanostructured material images using fractal descriptors

Ernesto C. Pereira, Jo\~ao B. Florindo, Mariana S. Sikora, Odemir M. Bruno

arxiv:1212.2677 v1 · 2012-12-11 · physics.data-an · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BUNHTVWTHNGQ3PMNFDZDF6IGXP}

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	2026-05-18T01:52:39.747802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d1a79d6d33b4d0dbd8d28f232f906bbed92e4bbf8006ad71a35560275a0b2c6

Aliases

arxiv: 1212.2677 · arxiv_version: 1212.2677v1 · doi: 10.48550/arxiv.1212.2677 · pith_short_12: BUNHTVWTHNGQ · pith_short_16: BUNHTVWTHNGQ3PMN · pith_short_8: BUNHTVWT

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/BUNHTVWTHNGQ3PMNFDZDF6IGXP \
  | 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: 0d1a79d6d33b4d0dbd8d28f232f906bbed92e4bbf8006ad71a35560275a0b2c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ab8892e9a6934fc5daf26d0b5c7a57beee63fa00a2eb3209fe6a6cc20eebc1c",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2012-12-11T23:48:30Z",
    "title_canon_sha256": "d8ec23b7529a61ccdd66820f8a035ca8243b08459140fdef4113455334c5ecb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2677",
    "kind": "arxiv",
    "version": 1
  }
}