Pith Number

pith:MQWQ4J3C

pith:2015:MQWQ4J3CWUZGVU37ABMDSBAIZV

not attested not anchored not stored refs pending

Microcalorimeter Spectroscopy at High Pulse Rates: a Multi-Pulse Fitting Technique

B. K. Alpert, C. Jaye, D. A. Fischer, D. S. Swetz, G. C. O'Neil, J. N. Ullom (US National Institute of Standards, J. W. Fowler, Technology), W. B. Doriese, Y. I. Joe

arxiv:1503.05989 v2 · 2015-03-20 · 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{MQWQ4J3CWUZGVU37ABMDSBAIZV}

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	2026-05-18T00:51:34.341034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

642d0e2762b5326ad37f0058390408cd78a003967985489c81ff8fda065982f8

Aliases

arxiv: 1503.05989 · arxiv_version: 1503.05989v2 · doi: 10.48550/arxiv.1503.05989 · pith_short_12: MQWQ4J3CWUZG · pith_short_16: MQWQ4J3CWUZGVU37 · pith_short_8: MQWQ4J3C

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/MQWQ4J3CWUZGVU37ABMDSBAIZV \
  | 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: 642d0e2762b5326ad37f0058390408cd78a003967985489c81ff8fda065982f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b22023203bcf192167f64123a9b24e5dfce2707de3f7f0d191b9157201a7140",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-03-20T04:42:21Z",
    "title_canon_sha256": "893e14afc7d52a77a735b46951fc5df207d239dc336219fc9cbf96ec6ea8d141"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05989",
    "kind": "arxiv",
    "version": 2
  }
}