Pith Number

pith:SSU7GTMK

pith:2015:SSU7GTMKJHYSMUWUC7FPY5SG7A

not attested not anchored not stored refs pending

Searching for Cool Dust in the Mid-to-Far Infrared: the Mass Loss Histories of The Hypergiants $\mu$ Cep, VY CMa, IRC+10420, and $\rho$ Cas

Andrew J. Skemer, Dinesh Shenoy, L. Andrew Helton, Massimo Marengo, Philip M. Hinz, Roberta M. Humphreys, Robert D. Gehrz, Terry Jay Jones, William F. Hoffmann

arxiv:1512.01529 v2 · 2015-12-04 · 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{SSU7GTMKJHYSMUWUC7FPY5SG7A}

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	2026-05-18T01:20:41.321629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94a9f34d8a49f12652d417cafc7646f80349f00fb9a51656369ace32de1fc626

Aliases

arxiv: 1512.01529 · arxiv_version: 1512.01529v2 · doi: 10.48550/arxiv.1512.01529 · pith_short_12: SSU7GTMKJHYS · pith_short_16: SSU7GTMKJHYSMUWU · pith_short_8: SSU7GTMK

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/SSU7GTMKJHYSMUWUC7FPY5SG7A \
  | 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: 94a9f34d8a49f12652d417cafc7646f80349f00fb9a51656369ace32de1fc626

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55b53ea794921675b321b8a137a3e19170a1801077f67eaba52e199d90d771ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-04T20:13:42Z",
    "title_canon_sha256": "46040d15f6565cfe03b32d03973b833f73ab061017d2176face78821460ae818"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01529",
    "kind": "arxiv",
    "version": 2
  }
}