Pith Number

pith:HAMGIXHG

pith:2011:HAMGIXHGYU4TPHL3PKXNSL53L7

not attested not anchored not stored refs pending

Ray-Based Reflectance Model for Diffraction

Philippe Bekaert, Ramesh Raskar, Se Baek Oh, Tom Cuypers, Tom Haber

arxiv:1101.5490 v1 · 2011-01-28 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HAMGIXHGYU4TPHL3PKXNSL53L7}

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	2026-05-18T04:30:34.845718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3818645ce6c539379d7b7aaed92fbb5ffe6e30c00d92a8193f0e2c77e1448240

Aliases

arxiv: 1101.5490 · arxiv_version: 1101.5490v1 · doi: 10.48550/arxiv.1101.5490 · pith_short_12: HAMGIXHGYU4T · pith_short_16: HAMGIXHGYU4TPHL3 · pith_short_8: HAMGIXHG

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/HAMGIXHGYU4TPHL3PKXNSL53L7 \
  | 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: 3818645ce6c539379d7b7aaed92fbb5ffe6e30c00d92a8193f0e2c77e1448240

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4797d0b20e6e60be13ea089d30db328ddaf59eb249f3123602f6351fe4054182",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2011-01-28T09:41:43Z",
    "title_canon_sha256": "b81de665a04488539d77fde186ebeb25b91ea7503bfdae9225eb3e59691e21df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5490",
    "kind": "arxiv",
    "version": 1
  }
}