Pith Number

pith:OPFXIFMN

pith:2016:OPFXIFMNRPK3JZFT4FBMCLCQLK

not attested not anchored not stored refs pending

Detecting edges in the X-ray surface brightness of galaxy clusters

A.C. Fabian (IoA), H.R. Russell (IoA), J.S. Sanders (MPE), K.M. Blundell (Oxford), S.A. Walker (IoA)

arxiv:1605.02911 v1 · 2016-05-10 · astro-ph.CO · astro-ph.GA · 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{OPFXIFMNRPK3JZFT4FBMCLCQLK}

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	2026-05-18T01:12:29.321563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73cb74158d8bd5b4e4b3e142c12c505aa3cf40f9ed28027903485503c4a2837a

Aliases

arxiv: 1605.02911 · arxiv_version: 1605.02911v1 · doi: 10.48550/arxiv.1605.02911 · pith_short_12: OPFXIFMNRPK3 · pith_short_16: OPFXIFMNRPK3JZFT · pith_short_8: OPFXIFMN

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/OPFXIFMNRPK3JZFT4FBMCLCQLK \
  | 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: 73cb74158d8bd5b4e4b3e142c12c505aa3cf40f9ed28027903485503c4a2837a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fe9981dba840ed3e9d79d13a2347eebf505b65baab9b6b9baa57a7e98671ee5",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-05-10T09:51:50Z",
    "title_canon_sha256": "53b8f5d8379a8a0539e43dd5e16adb02e85095aea29be2b500f1575c2d0fef3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02911",
    "kind": "arxiv",
    "version": 1
  }
}