Pith Number

pith:S6PMMHGZ

pith:2011:S6PMMHGZIIOFDNZBW7JBAOQZ3O

not attested not anchored not stored refs pending

Observation of anisotropic diffusion of light in compacted granular porous materials

Erik Alerstam, Tomas Svensson

arxiv:1111.1700 v2 · 2011-11-07 · physics.optics · 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{S6PMMHGZIIOFDNZBW7JBAOQZ3O}

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	2026-05-18T03:58:13.865099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

979ec61cd9421c51b721b7d2103a19db8f24556dcefbce982dbc91e46d0e543b

Aliases

arxiv: 1111.1700 · arxiv_version: 1111.1700v2 · doi: 10.48550/arxiv.1111.1700 · pith_short_12: S6PMMHGZIIOF · pith_short_16: S6PMMHGZIIOFDNZB · pith_short_8: S6PMMHGZ

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/S6PMMHGZIIOFDNZBW7JBAOQZ3O \
  | 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: 979ec61cd9421c51b721b7d2103a19db8f24556dcefbce982dbc91e46d0e543b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5699dd6e8743a7a05763f3b82a3b4a823bb6fde96975c01763acf9de7f5078c5",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-11-07T20:25:59Z",
    "title_canon_sha256": "e27335ab5f5f3ec2c29d8d203b0b5fd231a2865a7038b09ab5d7f2ccd8d1e530"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1700",
    "kind": "arxiv",
    "version": 2
  }
}