Pith Number

pith:6CVP2UTC

pith:2019:6CVP2UTC5PXLGLMD5HSMCRISKY

not attested not anchored not stored refs pending

The Cherenkov Telescope Array

Daniel Mazin (for the CTA Consortium)

arxiv:1907.08530 v1 · 2019-07-19 · astro-ph.IM · 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{6CVP2UTC5PXLGLMD5HSMCRISKY}

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	2026-05-17T23:40:09.545864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0aafd5262ebeeb32d83e9e4c14512560f7757816e8f6505f1aceda230bb7c7e

Aliases

arxiv: 1907.08530 · arxiv_version: 1907.08530v1 · doi: 10.48550/arxiv.1907.08530 · pith_short_12: 6CVP2UTC5PXL · pith_short_16: 6CVP2UTC5PXLGLMD · pith_short_8: 6CVP2UTC

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/6CVP2UTC5PXLGLMD5HSMCRISKY \
  | 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: f0aafd5262ebeeb32d83e9e4c14512560f7757816e8f6505f1aceda230bb7c7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec2a807a8fb5ad2ece2cf69b6f3ee355ef437cd570df3b65ea990e106f84fcad",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-07-19T14:37:06Z",
    "title_canon_sha256": "8337642282955741b5db130a6daea0b9bcff3a51678cb8ec2ce2e6d2d3b115b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08530",
    "kind": "arxiv",
    "version": 1
  }
}