Pith Number

pith:MF6CTBQC

pith:2015:MF6CTBQCW44TOTV4NIJHPDKFUG

not attested not anchored not stored refs pending

Theory of angular dispersive imaging hard x-ray spectrographs

Yuri Shvyd'ko

arxiv:1501.05052 v1 · 2015-01-21 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MF6CTBQCW44TOTV4NIJHPDKFUG}

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	2026-05-18T01:55:07.286860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

617c298602b739374ebc6a12778d45a18d40526729711bd7194b1256d97a208a

Aliases

arxiv: 1501.05052 · arxiv_version: 1501.05052v1 · doi: 10.48550/arxiv.1501.05052 · pith_short_12: MF6CTBQCW44T · pith_short_16: MF6CTBQCW44TOTV4 · pith_short_8: MF6CTBQC

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/MF6CTBQCW44TOTV4NIJHPDKFUG \
  | 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: 617c298602b739374ebc6a12778d45a18d40526729711bd7194b1256d97a208a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54f5915d8cf95542cd655f6e78be42467b26008e5258e79943795c5b968ea160",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-01-21T04:32:56Z",
    "title_canon_sha256": "a856e92f76e930f029827b5df94d033995b06fdfad4be712e47bce6677928a0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05052",
    "kind": "arxiv",
    "version": 1
  }
}