Pith Number

pith:ZGRQOQHI

pith:2018:ZGRQOQHIME76PLT7DFWDJ7BZIQ

not attested not anchored not stored refs pending

Detection of a Millimeter Flare From Proxima Centauri

Adam F. Kowalski, Alycia J. Weinberger, David J. Wilner, Meredith A. MacGregor, Steven R. Cranmer

arxiv:1802.08257 v1 · 2018-02-22 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZGRQOQHIME76PLT7DFWDJ7BZIQ}

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	2026-05-18T00:21:05.743249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9a30740e8613fe7ae7f196c34fc39441023257e9562782a7e212da57688bda4

Aliases

arxiv: 1802.08257 · arxiv_version: 1802.08257v1 · doi: 10.48550/arxiv.1802.08257 · pith_short_12: ZGRQOQHIME76 · pith_short_16: ZGRQOQHIME76PLT7 · pith_short_8: ZGRQOQHI

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/ZGRQOQHIME76PLT7DFWDJ7BZIQ \
  | 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: c9a30740e8613fe7ae7f196c34fc39441023257e9562782a7e212da57688bda4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08a4fcc683f47af96472adab731ea8780e96ce6f1301539c49e63743654410ca",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-02-22T19:00:01Z",
    "title_canon_sha256": "6ca0b38cd3ce3b04f195023bd7172745e3cf4ee8d88199a66529ca97a3cba752"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08257",
    "kind": "arxiv",
    "version": 1
  }
}