Pith Number

pith:OYK2M7GC

pith:2024:OYK2M7GCDX4HHA2AENDPD2QNEQ

not attested not anchored not stored refs pending

Deep Hard X-ray Survey of the M81 Field Based on INTEGRAL Data

I. Mereminskiy, R. Krivonos, S. Sazonov

arxiv:2404.16691 v1 · 2024-04-25 · 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{OYK2M7GCDX4HHA2AENDPD2QNEQ}

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	2026-07-05T08:12:11.537553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7615a67cc21df87383402346f1ea0d240d14eacbdef8d127898897704e697df1

Aliases

arxiv: 2404.16691 · arxiv_version: 2404.16691v1 · doi: 10.48550/arxiv.2404.16691 · pith_short_12: OYK2M7GCDX4H · pith_short_16: OYK2M7GCDX4HHA2A · pith_short_8: OYK2M7GC

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/OYK2M7GCDX4HHA2AENDPD2QNEQ \
  | 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: 7615a67cc21df87383402346f1ea0d240d14eacbdef8d127898897704e697df1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c59af94ea83b667cc0f70d632c0f1f12d492b9cb72a0d73204377749ce4a3169",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2024-04-25T15:51:29Z",
    "title_canon_sha256": "1a8a819da9513c43f7ccb78c3aed8cbcc6ea736b4db9758946e75a8fe8e2119d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.16691",
    "kind": "arxiv",
    "version": 1
  }
}