Pith Number

pith:RI6Q2BIS

pith:2015:RI6Q2BISI27XKDMXIG74YGHSWI

not attested not anchored not stored refs pending

Hydrogen in the LCLS2 Beamline Vacuum

Anthony C. Crawford

arxiv:1510.04912 v1 · 2015-10-15 · physics.acc-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{RI6Q2BISI27XKDMXIG74YGHSWI}

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	2026-05-18T01:30:00.322537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a3d0d051246bf750d9741bfcc18f2b2018d27980f2137a350be39f81b5a5f13

Aliases

arxiv: 1510.04912 · arxiv_version: 1510.04912v1 · doi: 10.48550/arxiv.1510.04912 · pith_short_12: RI6Q2BISI27X · pith_short_16: RI6Q2BISI27XKDMX · pith_short_8: RI6Q2BIS

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/RI6Q2BISI27XKDMXIG74YGHSWI \
  | 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: 8a3d0d051246bf750d9741bfcc18f2b2018d27980f2137a350be39f81b5a5f13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14ac6f423aa1e5797cefd5204be8d57208a19d91624ed5a8679f924254423385",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2015-10-15T15:45:48Z",
    "title_canon_sha256": "7a30447d683e64bfcb0ae4fc0423ec22cb4012b9f7234c940a4a9c9734fc03b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04912",
    "kind": "arxiv",
    "version": 1
  }
}