Pith Number

pith:SI2EMXYJ

pith:2016:SI2EMXYJ4NEEFP74KWE64OZDI4

not attested not anchored not stored refs pending

NuSTAR and XMM-Newton observations of the Arches cluster in 2015: fading hard X-ray emission from the molecular cloud

Farid Rahoui, Gabriele Ponti, JaeSub Hong, John Tomsick, Juri Poutanen, Kaya Mori, Maica Clavel, Roman Krivonos, Sergey Tsygankov

arxiv:1612.03320 v1 · 2016-12-10 · 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{SI2EMXYJ4NEEFP74KWE64OZDI4}

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	2026-05-18T00:45:14.767128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9234465f09e34842bffc5589ee3b2347235be3bd071c59fbb6fd982841af8929

Aliases

arxiv: 1612.03320 · arxiv_version: 1612.03320v1 · doi: 10.48550/arxiv.1612.03320 · pith_short_12: SI2EMXYJ4NEE · pith_short_16: SI2EMXYJ4NEEFP74 · pith_short_8: SI2EMXYJ

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/SI2EMXYJ4NEEFP74KWE64OZDI4 \
  | 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: 9234465f09e34842bffc5589ee3b2347235be3bd071c59fbb6fd982841af8929

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "170cb5699f5774642f3e3c074fb7320aa5abbb3fa259926347dd3783fcb1d44a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-12-10T16:45:38Z",
    "title_canon_sha256": "7b6cb66f55b8f75a307ea3eeea15b84f2cdc41ebe48dd056ba75e4fcc2967019"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03320",
    "kind": "arxiv",
    "version": 1
  }
}