Pith Number

pith:BFWEQXIF

pith:2012:BFWEQXIFWXA6AJD6IYMVFSNHXR

not attested not anchored not stored refs pending

MEMS practice, from the lab to the telescope

Andrew P. Norton, Bruce A. Macintosh, Claire E. Max, Daren Dillon, Donald T. Gavel, Julia Wilhelmson Evans, Katie M. Morzinski, Layra Reza, Marc Reinig, Scott A. Severson, Steven Cornelissen

arxiv:1202.1566 v1 · 2012-02-08 · 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{BFWEQXIFWXA6AJD6IYMVFSNHXR}

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	2026-05-18T01:58:32.621335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

096c485d05b5c1e0247e461952c9a7bc5b6db3a8bf7dbd378d148e4161172a93

Aliases

arxiv: 1202.1566 · arxiv_version: 1202.1566v1 · doi: 10.48550/arxiv.1202.1566 · pith_short_12: BFWEQXIFWXA6 · pith_short_16: BFWEQXIFWXA6AJD6 · pith_short_8: BFWEQXIF

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/BFWEQXIFWXA6AJD6IYMVFSNHXR \
  | 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: 096c485d05b5c1e0247e461952c9a7bc5b6db3a8bf7dbd378d148e4161172a93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deed976cbe0b5b206cd5093a615f198bf4ce8a5a0e84376ad7dbac676dc2fd5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-02-08T00:13:00Z",
    "title_canon_sha256": "ae8515e754e069e58302a6dc4a78866b51dc3d2abd1304151b3d7873486396c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1566",
    "kind": "arxiv",
    "version": 1
  }
}