Pith Number

pith:SFJPTFOH

pith:2016:SFJPTFOHRJTN5JMMWUSYCLR2PH

not attested not anchored not stored refs pending

Direct Ejecta Velocity Measurements of Tycho's Supernova Remnant

2, (2) ISAS/JAXA, 3), (3) Rutgers University), John P. Hughes (3) ((1) Tokyo Metropolitan University, Toshiki Sato (1

arxiv:1605.09059 v2 · 2016-05-29 · 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{SFJPTFOHRJTN5JMMWUSYCLR2PH}

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	2026-05-18T00:44:01.006714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9152f995c78a66dea58cb525812e3a79de428b4e5c7aa17e69d442430b48652f

Aliases

arxiv: 1605.09059 · arxiv_version: 1605.09059v2 · doi: 10.48550/arxiv.1605.09059 · pith_short_12: SFJPTFOHRJTN · pith_short_16: SFJPTFOHRJTN5JMM · pith_short_8: SFJPTFOH

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/SFJPTFOHRJTN5JMMWUSYCLR2PH \
  | 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: 9152f995c78a66dea58cb525812e3a79de428b4e5c7aa17e69d442430b48652f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8447ebfb8285b7abe7d12f13f88f2ee29415bfa06f31c506d6231e1fbf061f2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-05-29T20:25:37Z",
    "title_canon_sha256": "ff7024ea87087c5fa0d590520a754d0c3dbf11747ec43536addfcca3454728d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.09059",
    "kind": "arxiv",
    "version": 2
  }
}