Pith Number

pith:E2Y5KBHM

pith:2011:E2Y5KBHMYXBDEYY6HMXC7233ZP

not attested not anchored not stored refs pending

Infrared imaging and polarimetric observations of the pulsar wind nebula in SNR G21.5-0.9

A. Zajczyk, C. Gouiff\`es, E. Le Floc'h, F. Comer\'on, L. Koch Miramond, P. Slane, R. Bandiera, S.P. Reynolds, Y.A. Gallant

arxiv:1105.4373 v2 · 2011-05-22 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E2Y5KBHMYXBDEYY6HMXC7233ZP}

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	2026-05-18T03:55:23.524329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26b1d504ecc5c232631e3b2e2feb7bcbc3e579e6dcce75eb1313faa6617a62da

Aliases

arxiv: 1105.4373 · arxiv_version: 1105.4373v2 · doi: 10.48550/arxiv.1105.4373 · pith_short_12: E2Y5KBHMYXBD · pith_short_16: E2Y5KBHMYXBDEYY6 · pith_short_8: E2Y5KBHM

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/E2Y5KBHMYXBDEYY6HMXC7233ZP \
  | 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: 26b1d504ecc5c232631e3b2e2feb7bcbc3e579e6dcce75eb1313faa6617a62da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66ead50864b45e8afc4d62695816ac70c26d795336bece9e77e9f1a90d0366af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-05-22T21:18:39Z",
    "title_canon_sha256": "19280dd59ebd02a76577e8c98f8da3e6a452bec1db917901372ac88893b68f0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4373",
    "kind": "arxiv",
    "version": 2
  }
}