Pith Number

pith:W3TVAYX4

pith:2018:W3TVAYX4A2HM53VRO2RL5ISKH5

not attested not anchored not stored refs pending

Hubble Space Telescope Imaging of the Site of the Red Transient V4332 Sagittarii

2) ((1) Pennsylvania State University, (2) Space Telescope Science Institute), Howard E. Bond (1

arxiv:1807.02091 v1 · 2018-07-05 · 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{W3TVAYX4A2HM53VRO2RL5ISKH5}

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	2026-05-18T00:11:24.298810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6e75062fc068eceeeb176a2bea24a3f5508a2f6e4fea9805e15b22c94b52249

Aliases

arxiv: 1807.02091 · arxiv_version: 1807.02091v1 · doi: 10.48550/arxiv.1807.02091 · pith_short_12: W3TVAYX4A2HM · pith_short_16: W3TVAYX4A2HM53VR · pith_short_8: W3TVAYX4

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/W3TVAYX4A2HM53VRO2RL5ISKH5 \
  | 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: b6e75062fc068eceeeb176a2bea24a3f5508a2f6e4fea9805e15b22c94b52249

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbf0436169928cd9defc57f4d226c92ad4337912ad8ecdba85bfba310067779c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-05T17:16:36Z",
    "title_canon_sha256": "2cae047a872f050896325205df6a828977db4c27a309922abff9b348fb6f513f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02091",
    "kind": "arxiv",
    "version": 1
  }
}