Pith Number

pith:PFSJQVHD

pith:2016:PFSJQVHDZLIGMNDVQS4ADKZ7BR

not attested not anchored not stored refs pending

HST STIS observations of the mixing layer in the Cat's Eye Nebula

Jesus A. Toala, Martin A. Guerrero, Robert A. Gruendl, Xuan Fang, You-Hua Chu

arxiv:1603.06689 v1 · 2016-03-22 · astro-ph.SR · 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{PFSJQVHDZLIGMNDVQS4ADKZ7BR}

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	2026-05-18T01:15:41.509533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79649854e3cad066347584b801ab3f0c7511c2c2199ebfd459b6e7cdf298c119

Aliases

arxiv: 1603.06689 · arxiv_version: 1603.06689v1 · doi: 10.48550/arxiv.1603.06689 · pith_short_12: PFSJQVHDZLIG · pith_short_16: PFSJQVHDZLIGMNDV · pith_short_8: PFSJQVHD

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/PFSJQVHDZLIGMNDVQS4ADKZ7BR \
  | 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: 79649854e3cad066347584b801ab3f0c7511c2c2199ebfd459b6e7cdf298c119

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8faf4bb4b6a6633af36f4a9f58017097846bd2c532f0bd24ada12685cff5dbe",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-03-22T07:12:37Z",
    "title_canon_sha256": "342c308075419d56216fa629dc7fa14959c3b64880906ad31a0839259f79a8de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.06689",
    "kind": "arxiv",
    "version": 1
  }
}