Pith Number

pith:A4EI3KZ3

pith:2010:A4EI3KZ3IWV63ISMVRQWTNWDYX

not attested not anchored not stored refs pending

Positron annihilation spectrum from the Galactic Centre region observed by SPI/INTEGRAL, revisited: annihilation in a cooling ISM?

D.Varshalovich, E.Churazov, R.Sunyaev, S.Sazonov, S.Tsygankov

arxiv:1010.0864 v1 · 2010-10-05 · 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{A4EI3KZ3IWV63ISMVRQWTNWDYX}

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	2026-05-18T02:05:11.294865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07088dab3b45abeda24cac6169b6c3c5e44dce49b0ef7771c48e1261a6a7bfbf

Aliases

arxiv: 1010.0864 · arxiv_version: 1010.0864v1 · doi: 10.48550/arxiv.1010.0864 · pith_short_12: A4EI3KZ3IWV6 · pith_short_16: A4EI3KZ3IWV63ISM · pith_short_8: A4EI3KZ3

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/A4EI3KZ3IWV63ISMVRQWTNWDYX \
  | 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: 07088dab3b45abeda24cac6169b6c3c5e44dce49b0ef7771c48e1261a6a7bfbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e915f5d4417d6b3d62adf5d954b517556512ece063190ef3ea9905d82c862dc7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-10-05T12:30:24Z",
    "title_canon_sha256": "6b5d6456a5f85996adffcfe39c712a1396e2f962f3c6040e44d49c738b6029bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.0864",
    "kind": "arxiv",
    "version": 1
  }
}