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 LAGUNA Award a ₱2.2M contract to DATZLAV CONSTRUCTIONProvinces
Transaction hash:
c75c09429b1cb16eed9ffccf0e2e8de34509e75f11ce666d6214735011e64ff5
Status:
Included and unchanged
Block:
#4,554 1,459 blocks after it
Position in block:
Transaction 229 of 284
Award day:
Aug 31, 2021 (5 yrs 2 mo ago)
From:
Value:
₱2,218,773.00
Project:
Rehabilitation of Multi-Purpose Building, Brgy. Ta
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 #4,554 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 LAGUNA awarded it to DATZLAV CONSTRUCTION on 2021-08-31.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 Laguna gave a "unmodified" 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 c75c09429b…e64ff5now …
- 2. Block Merkle root changedstored c379269963…63979dnow …
- 3. Block #4554 hash changedstored c6ac5fb8bd…041b66now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 283 records. Each step hashes the current value together with the sibling shown.
- leaf c75c09429b1cb16eed9ffccf0e2e8de34509e75f11ce666d6214735011e64ff5
- 01 L c74d769dfe87df2bef3e64845f923a20f49e1eee1638b5d62a43d68f545f5f1b
- 02 R e3682869190df415a6108fe47736906f9047207a36f927d402d219eee7f68940
- 03 L d683df903f581f4bfb4d77644bdf8647352af7f87df45849efab16fb983ff2fd
- 04 R ca51deacc89d4ae66248f14e408f6744e65d793af882ca4995543f4da0058767
- 05 R c33a779545dd5d106efaa671ac21c4f0c9e5aee637ccfe6d459ef9d7e58fe379
- 06 L 42bcd836b0142b48768fc2ffa14c43df5615fbc42097160456e76453b38c5f85
- 07 L 9670377c218a00720921cf56d428b20893ffc6a3dbd51b592d65a9e931961a35
- 08 L 6b931b37151bcdde29116bddc861dd30cf006401923014d61be4dbf4ae9dde1d
- 09 R eda3fb0f89a2e6e47a7e5a0d555fb37c3f1199d6c41e498555013b406f02b713
- root c379269963f51fa67dd317a01b79ad9c01cdbae578846e585a408313b063979d