Pith Number

pith:UCHSZDSF

pith:2019:UCHSZDSFAVWXE5TIK776PEPPOY

not attested not anchored not stored refs pending

Identifying TeV Source Candidates among Fermi-LAT Unclassified Blazars

D. J. Thompson, D. Salvetti, G. Chiaro, G. La Mura, M. Di Mauro, M. Meyer

arxiv:1909.10834 v1 · 2019-09-24 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UCHSZDSFAVWXE5TIK776PEPPOY}

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	2026-07-05T00:31:20.445083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a08f2c8e45056d72766857ffe791ef7636741ddf741f0e04b9cbc8002feffc00

Aliases

arxiv: 1909.10834 · arxiv_version: 1909.10834v1 · doi: 10.48550/arxiv.1909.10834 · pith_short_12: UCHSZDSFAVWX · pith_short_16: UCHSZDSFAVWXE5TI · pith_short_8: UCHSZDSF

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/UCHSZDSFAVWXE5TIK776PEPPOY \
  | 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: a08f2c8e45056d72766857ffe791ef7636741ddf741f0e04b9cbc8002feffc00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7266ec992b0e26035bd26bf27dd01e5f0807c2ad738cb774a214a1336043b694",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-09-24T12:20:13Z",
    "title_canon_sha256": "184da661b54a0209e9f240525ddca370c840a4c78cad4f4ecb4263e97616c73f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.10834",
    "kind": "arxiv",
    "version": 1
  }
}