Pith Number

pith:674ECYKY

pith:2007:674ECYKY3JUP7RGVXMOTPATUS3

not attested not anchored not stored refs pending

A millimeter-wave antireflection coating for cryogenic silicon lenses

D. Marsden, E. Wishnow, E. Wollack, G. Marsden, J. Leong, J. M. Lau, J. W. Fowler, L. Page, M. Halpern, R. Henry, T. A. Marriage

arxiv:astro-ph/0701091 v1 · 2007-01-04 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{674ECYKY3JUP7RGVXMOTPATUS3}

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	2026-07-05T03:39:51.398357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7f8416158da68ffc4d5bb1d37827496f1100da272ecd428070c83f3c16f3bfb

Aliases

arxiv: astro-ph/0701091 · arxiv_version: astro-ph/0701091v1 · doi: 10.48550/arxiv.astro-ph/0701091 · pith_short_12: 674ECYKY3JUP · pith_short_16: 674ECYKY3JUP7RGV · pith_short_8: 674ECYKY

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/674ECYKY3JUP7RGVXMOTPATUS3 \
  | 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: f7f8416158da68ffc4d5bb1d37827496f1100da272ecd428070c83f3c16f3bfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c74383832effc8cea717e3015425fb86fdc91cacfaff67def8d8b1d135cf6f85",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-04T16:23:57Z",
    "title_canon_sha256": "64f8efa110e368b6de328124ec644a7d06a8bb1ac221b304a8f6ebaa63725563"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701091",
    "kind": "arxiv",
    "version": 1
  }
}