Pith Number

pith:5HN7JUE4

pith:2013:5HN7JUE4DAT7XPRXVSF5FWQD5A

not attested not anchored not stored refs pending

Indication for dominating surface absorption in crystalline silicon test masses at 1550nm

Alexander Khalaidovski, Jessica Steinlechner, Roman Schnabel

arxiv:1304.4126 v1 · 2013-04-15 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5HN7JUE4DAT7XPRXVSF5FWQD5A}

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	2026-05-18T01:50:32.700600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9dbf4d09c1827fbbe37ac8bd2da03e834df59fb0f45746b4ffdaa2ed47e872e

Aliases

arxiv: 1304.4126 · arxiv_version: 1304.4126v1 · doi: 10.48550/arxiv.1304.4126 · pith_short_12: 5HN7JUE4DAT7 · pith_short_16: 5HN7JUE4DAT7XPRX · pith_short_8: 5HN7JUE4

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/5HN7JUE4DAT7XPRXVSF5FWQD5A \
  | 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: e9dbf4d09c1827fbbe37ac8bd2da03e834df59fb0f45746b4ffdaa2ed47e872e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ed707891c1adea7b7bc3565897be2ef6d67f7ef283cb36e728de60ba0c2b331",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-04-15T15:13:07Z",
    "title_canon_sha256": "86af14594855cd66554135128e84a3b2c4d6789d8a3c0396502c39efe95a6949"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4126",
    "kind": "arxiv",
    "version": 1
  }
}