Pith Number

pith:2KBT2MU4

pith:2021:2KBT2MU4YFRVRI7P3M3VRPTZWD

not attested not anchored not stored refs pending

Evidence for coronal temperature variation in Seyfert 2 ESO 103--035 using NuSTAR observations

Amit Pathak, Biman J Medhi, Gulab C Dewangan, Ranjeev Misra, Rathin Sarma, Samuzal Barua, V. Jithesh

arxiv:2108.04288 v1 · 2021-08-09 · 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{2KBT2MU4YFRVRI7P3M3VRPTZWD}

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	2026-07-05T03:27:16.624939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2833d329cc16358a3efdb3758be79b0c516ac155345416099a34711193fb706

Aliases

arxiv: 2108.04288 · arxiv_version: 2108.04288v1 · doi: 10.48550/arxiv.2108.04288 · pith_short_12: 2KBT2MU4YFRV · pith_short_16: 2KBT2MU4YFRVRI7P · pith_short_8: 2KBT2MU4

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/2KBT2MU4YFRVRI7P3M3VRPTZWD \
  | 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: d2833d329cc16358a3efdb3758be79b0c516ac155345416099a34711193fb706

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "280cac098bc4b787d2f82a0e988e08bba7988d49b12b56f8026a317275019699",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-08-09T18:27:28Z",
    "title_canon_sha256": "7deb8ac2b80e29ccd2cfe0c95bf511dda06892cf0ed7542f5439b4b23a312c30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.04288",
    "kind": "arxiv",
    "version": 1
  }
}