Pith Number

pith:UHV4OPLL

pith:2015:UHV4OPLLIRDOTN3YN63I3S5L7K

not attested not anchored not stored refs pending

From the atmosphere to the circumstellar environment in cool evolved stars

Claudia Paladini, Markus Wittkowski

arxiv:1501.05825 v1 · 2015-01-23 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHV4OPLLIRDOTN3YN63I3S5L7K}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:29:03.791870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1ebc73d6b4446e9b7786fb68dcbabfa8489a1e47a3ab8c5d4babcdb9e41315e

Aliases

arxiv: 1501.05825 · arxiv_version: 1501.05825v1 · doi: 10.48550/arxiv.1501.05825 · pith_short_12: UHV4OPLLIRDO · pith_short_16: UHV4OPLLIRDOTN3Y · pith_short_8: UHV4OPLL

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/UHV4OPLLIRDOTN3YN63I3S5L7K \
  | 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: a1ebc73d6b4446e9b7786fb68dcbabfa8489a1e47a3ab8c5d4babcdb9e41315e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96ef901ea3a72f2c25b0a61502741466dffa9aa5a20ffff43d692e277d48d0a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-01-23T15:13:38Z",
    "title_canon_sha256": "a8c0500ec8e2d416a6c46f3413d368e9528354c27781ba8b7f5ffddc2ca74853"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05825",
    "kind": "arxiv",
    "version": 1
  }
}