Pith Number

pith:3NOO5ULM

pith:2010:3NOO5ULMQ2DKBBWKQM7XR2E2AY

not attested not anchored not stored refs pending

Using ACIS on the Chandra X-ray Observatory as a particle radiation monitor

B. LaMarr, C. E. Grant, M. W. Bautz, S. L. O'Dell

arxiv:1007.4185 v1 · 2010-07-23 · 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{3NOO5ULMQ2DKBBWKQM7XR2E2AY}

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	2026-05-18T02:06:10.999093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db5ceed16c8686a086ca833f78e89a0615d6cd4389ce5a12160087b556e67b6f

Aliases

arxiv: 1007.4185 · arxiv_version: 1007.4185v1 · doi: 10.48550/arxiv.1007.4185 · pith_short_12: 3NOO5ULMQ2DK · pith_short_16: 3NOO5ULMQ2DKBBWK · pith_short_8: 3NOO5ULM

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/3NOO5ULMQ2DKBBWKQM7XR2E2AY \
  | 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: db5ceed16c8686a086ca833f78e89a0615d6cd4389ce5a12160087b556e67b6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "828fce116cb5da84380b100ae6ab36076ec6071c77873083d82b6e1cf8b09e49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-07-23T18:31:45Z",
    "title_canon_sha256": "cad765c11bf0a26845a96cd8b650f63179f4ae784ba02f631b94a05c336d66c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.4185",
    "kind": "arxiv",
    "version": 1
  }
}