Pith Number

pith:VA2WHFXM

pith:2015:VA2WHFXM25UG6FT27IPFYDGY7K

not attested not anchored not stored refs pending

Multi-Object Spectroscopy with MUSE

Andreas Kelz, Lutz Wisotzki, Peter Weilbacher, Roland Bacon, Sebastian Kamann, Tanya Urrutia

arxiv:1512.03329 v2 · 2015-12-10 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VA2WHFXM25UG6FT27IPFYDGY7K}

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	2026-05-18T01:23:53.818924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8356396ecd7686f167afa1e5c0cd8faa6c5ff9e60f1c2d85830005ce4c502f3

Aliases

arxiv: 1512.03329 · arxiv_version: 1512.03329v2 · doi: 10.48550/arxiv.1512.03329 · pith_short_12: VA2WHFXM25UG · pith_short_16: VA2WHFXM25UG6FT2 · pith_short_8: VA2WHFXM

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/VA2WHFXM25UG6FT27IPFYDGY7K \
  | 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: a8356396ecd7686f167afa1e5c0cd8faa6c5ff9e60f1c2d85830005ce4c502f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eb81d4587eeaf975e8e4ed05b3e3adcfcc8c29000a42951cdfaa330ca3a8958",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-12-10T17:21:34Z",
    "title_canon_sha256": "40f6f9eae9b29baef6ea0a588e8b74fb1f36808b40c7f42e2ef4ed38bf4fd0cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03329",
    "kind": "arxiv",
    "version": 2
  }
}