Pith Number

pith:DW7NAVJI

pith:2016:DW7NAVJIADT6Y4VD6EFBKUN3TM

not attested not anchored not stored refs pending

H-alpha features with hot onsets. II. A contrail fibril

L.H.M. Rouppe van der Voort, R.J. Rutten

arxiv:1609.07616 v1 · 2016-09-24 · 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{DW7NAVJIADT6Y4VD6EFBKUN3TM}

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	2026-05-18T00:52:09.236657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dbed0552800e7ec72a3f10a1551bb9b0f6ad96495a4a41abb7183df7d925878

Aliases

arxiv: 1609.07616 · arxiv_version: 1609.07616v1 · doi: 10.48550/arxiv.1609.07616 · pith_short_12: DW7NAVJIADT6 · pith_short_16: DW7NAVJIADT6Y4VD · pith_short_8: DW7NAVJI

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/DW7NAVJIADT6Y4VD6EFBKUN3TM \
  | 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: 1dbed0552800e7ec72a3f10a1551bb9b0f6ad96495a4a41abb7183df7d925878

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94f22a11114469999a24346e5f4ddb5ebda97ed5f7e23bfe101fac556a3bfcd1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-24T13:20:33Z",
    "title_canon_sha256": "58d2e9934bcef53b292284800bd3cacc9e22704dde4fb2b9a883494fe55e6a2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07616",
    "kind": "arxiv",
    "version": 1
  }
}