Pith Number

pith:7M6HTAWU

pith:2026:7M6HTAWU7CGMWS4ATHY7Z6GAP2

not attested not anchored not stored refs pending

fitPALSpectra: Python fitting of positron annihilation lifetime spectra

Georgios E. Pavlou

arxiv:2606.12157 v1 · 2026-06-10 · physics.comp-ph · physics.data-an · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7M6HTAWU7CGMWS4ATHY7Z6GAP2}

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	2026-06-11T01:10:51.760743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb3c7982d4f88ccb4b8099f1fcf8c07eb29c74b348b513886388c7f554b9cdbe

Aliases

arxiv: 2606.12157 · arxiv_version: 2606.12157v1 · doi: 10.48550/arxiv.2606.12157 · pith_short_12: 7M6HTAWU7CGM · pith_short_16: 7M6HTAWU7CGMWS4A · pith_short_8: 7M6HTAWU

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/7M6HTAWU7CGMWS4ATHY7Z6GAP2 \
  | 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: fb3c7982d4f88ccb4b8099f1fcf8c07eb29c74b348b513886388c7f554b9cdbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "068037ea3312e3e386c6ed95959ce58ac05293d9a2be243867d4485ecfa84d04",
    "cross_cats_sorted": [
      "physics.data-an",
      "physics.ins-det"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2026-06-10T14:44:08Z",
    "title_canon_sha256": "cce5287b4899728510e2130900f67959543ed148beafbce60e1ea9dc5a225847"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12157",
    "kind": "arxiv",
    "version": 1
  }
}