Pith Number

pith:SZZWY72L

pith:2021:SZZWY72LUEUNOYSWKHTVXDWPX4

not attested not anchored not stored refs pending

Standardisation of Data Formats in Gamma-ray Astronomy

Cosimo Nigro, Tarek Hassan

arxiv:2101.06018 v1 · 2021-01-15 · 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{SZZWY72LUEUNOYSWKHTVXDWPX4}

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	2026-07-05T02:07:09.092599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96736c7f4ba128d7625651e75b8ecfbf2307e50711b51f037a271af4d312298c

Aliases

arxiv: 2101.06018 · arxiv_version: 2101.06018v1 · doi: 10.48550/arxiv.2101.06018 · pith_short_12: SZZWY72LUEUN · pith_short_16: SZZWY72LUEUNOYSW · pith_short_8: SZZWY72L

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/SZZWY72LUEUNOYSWKHTVXDWPX4 \
  | 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: 96736c7f4ba128d7625651e75b8ecfbf2307e50711b51f037a271af4d312298c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dff4d3f9a7454cd1512fee0a16543059cbf9d9d9d809f1fa43dc60a492ec365",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-01-15T09:02:45Z",
    "title_canon_sha256": "8cce8b1e0df7d4f711b338e97849fa0caf103f1cd87701b29c6bd97e78e61bad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.06018",
    "kind": "arxiv",
    "version": 1
  }
}