Pith Number

pith:OC7TPEJV

pith:2011:OC7TPEJV45ZGQ2R35DJG5QGNQO

not attested not anchored not stored refs pending

A new thin film photochromic material: Oxygen-containing yttrium hydride

Bernard Dam, Bj{\o}rn C. Hauback, Charlotte Platzer-Bj\"orkman, Erik S. Marstein, Jan Petter Maehlen, Lennard P. A. Mooij, Smagul Karazhanov, Trygve Mongstad, Yevheniy Pivak

arxiv:1109.2872 v1 · 2011-09-13 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OC7TPEJV45ZGQ2R35DJG5QGNQO}

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	2026-05-18T04:13:07.530140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70bf379135e772686a3be8d26ec0cd83b387bfdcf07c85f3a80d3420ab8f4cf3

Aliases

arxiv: 1109.2872 · arxiv_version: 1109.2872v1 · doi: 10.48550/arxiv.1109.2872 · pith_short_12: OC7TPEJV45ZG · pith_short_16: OC7TPEJV45ZGQ2R3 · pith_short_8: OC7TPEJV

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/OC7TPEJV45ZGQ2R35DJG5QGNQO \
  | 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: 70bf379135e772686a3be8d26ec0cd83b387bfdcf07c85f3a80d3420ab8f4cf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07351bf6c0d9f94846ba2c3fbc252e6c9a751754380f8b5552d9345a430c5e16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-09-13T18:10:05Z",
    "title_canon_sha256": "6e9d13221d971619f5ca96d5f9e4df1b0420d15390910741b06064865dd0e56e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2872",
    "kind": "arxiv",
    "version": 1
  }
}