Pith Number

pith:VUETRHJA

pith:2013:VUETRHJAYUTP5NBPLOTGCYBNJD

not attested not anchored not stored refs pending

Facile residue analysis of recent and prehistoric cook-stones using handheld Raman spectrometry

Alexander M. Sinyukov, Alston V. Thoms, Amitabh Joshi, Bin Cao, Dmitri V. Voronine, Laura Short, Rob Scully, Virgil Sanders

arxiv:1311.5137 v1 · 2013-11-20 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VUETRHJAYUTP5NBPLOTGCYBNJD}

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	2026-05-18T03:06:35.355713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad09389d20c526feb42f5ba661602d48f6d6e6ad0ad0ffe9e6a27207c05f8b28

Aliases

arxiv: 1311.5137 · arxiv_version: 1311.5137v1 · doi: 10.48550/arxiv.1311.5137 · pith_short_12: VUETRHJAYUTP · pith_short_16: VUETRHJAYUTP5NBP · pith_short_8: VUETRHJA

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/VUETRHJAYUTP5NBPLOTGCYBNJD \
  | 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: ad09389d20c526feb42f5ba661602d48f6d6e6ad0ad0ffe9e6a27207c05f8b28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d9543812ad5c135ac5f0d71169e72e00f5b0efa469cb4859dfff7cc8b5b0f96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-11-20T17:03:41Z",
    "title_canon_sha256": "a20e3a95f006facdf505bbf713597ba150cf83a30a22ed7c46ff24f3bcea4600"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5137",
    "kind": "arxiv",
    "version": 1
  }
}