DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
PROVINCE OF DAVAO DEL SUR Award a ₱3.2M contract to CEK CONSTRUCTION AND WATER SUPPLYProvinces
Transaction hash:
f5f623faa4c1dca5884bb970c1347641ca65acc346dd7ac633baebb2bd47c99c
Status:
Included and unchanged
Block:
#3,518 2,495 blocks after it
Position in block:
Transaction 206 of 222
Award day:
Aug 29, 2018 (8 yrs 2 mo ago)
Value:
₱3,198,728.54
Project:
Construction Projects
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #3,518 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)PROVINCE OF DAVAO DEL SUR awarded it to CEK CONSTRUCTION AND WATER SUPPLY on 2018-08-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Davao del Sur gave a "not stated" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored f5f623faa4…47c99cnow …
- 2. Block Merkle root changedstored 728abe3bac…e6e1a2now …
- 3. Block #3518 hash changedstored dccbbdb1f5…103f0bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 221 records. Each step hashes the current value together with the sibling shown.
- leaf f5f623faa4c1dca5884bb970c1347641ca65acc346dd7ac633baebb2bd47c99c
- 01 R f6901e44a121367b67c5ce7e0d9f95ec49a2aa3f313ecfe81b7780020bd114a1
- 02 L 203c0ea4036d1a2c900b91b0741daf2b927adeeeab715b4f71aad7ca70afe215
- 03 L eb0948d740ec9949e0f247023fd8fbd08607c9cee1282ea165f918620d1e00bb
- 04 L f75bc9cea6c2c9772cf08cc90b4bd9a844e370a247c2fc709a1e8bf603fbcb7e
- 05 R 536520f630ba41ac84042cb82041ce8a1b97fcf03232a51c24eb1934a3c7f342
- 06 R 4fd93c69728922ba159fddfd33bb13d7c8c82993c8d927ba7d567d2a6399ec83
- 07 L 30f224384bb437751e3eed7b1a27f5306cfc74135807b3a749ca061b87d6dd81
- 08 L ec709a980f60250fdb5cbc0cb8949a1d2c6a756995cf0aa60a54bbd44e099642
- root 728abe3bacf0fc9562698e891f71ebbede8193e160152a69fecd0a587ee6e1a2