Pith Number

pith:HX25FFBD

pith:2009:HX25FFBDXOXYRBS4LAAGK4JZWY

not attested not anchored not stored refs pending

UV Degradation of the Optical Properties of Acrylic for Neutrino and Dark Matter Experiments

Bryce Littlejohn, E. Gettrust, K. M. Heeger, M. Lyman, T. Wise

arxiv:0907.3706 v1 · 2009-07-21 · physics.ins-det · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HX25FFBDXOXYRBS4LAAGK4JZWY}

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	2026-07-04T15:53:23.409061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3df5d29423bbaf88865c5800657139b60b03d083c393e616d5ae96609a8ab199

Aliases

arxiv: 0907.3706 · arxiv_version: 0907.3706v1 · doi: 10.48550/arxiv.0907.3706 · pith_short_12: HX25FFBDXOXY · pith_short_16: HX25FFBDXOXYRBS4 · pith_short_8: HX25FFBD

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/HX25FFBDXOXYRBS4LAAGK4JZWY \
  | 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: 3df5d29423bbaf88865c5800657139b60b03d083c393e616d5ae96609a8ab199

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "173b43b5136bf6f6db6480916968f773b9b8f3912f18d45f3adb3e3569e778f3",
    "cross_cats_sorted": [
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2009-07-21T17:19:27Z",
    "title_canon_sha256": "e07dc97cf21fccb29bd85f547e2f62a7c3006e976a845bbc15686563ce9ec799"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3706",
    "kind": "arxiv",
    "version": 1
  }
}