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
MUNICIPALITY OF SAN NICOLAS, BATANGAS Award a ₱249.8K contract to NDA BUILDERS AND DEVELOPERSMunicipalities
Transaction hash:
7ae08de6db59ff1ca60d687ff2d87b80d9b7542ae587ea85ceda9e000adf2902
Status:
Included and unchanged
Block:
#2,527 3,486 blocks after it
Position in block:
Transaction 80 of 149
Award day:
Sep 23, 2015 (11 yrs 1 mo ago)
Value:
₱249,780.00
Project:
Const./Impv't of Drainage System & Other Structure
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 #2,527 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)MUNICIPALITY OF SAN NICOLAS, BATANGAS awarded it to NDA BUILDERS AND DEVELOPERS on 2015-09-23.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 San Nicolas 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 7ae08de6db…df2902now …
- 2. Block Merkle root changedstored 4eea2e76ed…35b137now …
- 3. Block #2527 hash changedstored 7a2c354a34…5b371enow …
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 148 records. Each step hashes the current value together with the sibling shown.
- leaf 7ae08de6db59ff1ca60d687ff2d87b80d9b7542ae587ea85ceda9e000adf2902
- 01 R 7b2473874204630804bb79fbd127cdc2d0480203ba2e4303c0d3ebacf529d5cd
- 02 R 80cba5b59f10b37c2ef9f8008c13eb7c08ec98e12eff5ca6d8c9a09b37786221
- 03 R a0eca87f341c5d3b16dc00275f96f381a4084ed607ec46ab9e948e49b697bb3b
- 04 R 3dfdc519ec27662fe439c180b494d45d4b317a85cd5f63ec6c953b8d8168db35
- 05 L edaa9decdf8ecf15522d7e4efceccd4674535da32a37033c48c77db17874b22b
- 06 R 7eea841c27653e55486793b482205f47b4ed76d4a4fbfa269f95f5e0a4d36b11
- 07 L 305b9b5b220748d1f932e77def38afa2da33ac23c2e86f43b93b1734589556b9
- 08 R b656ee97e8618bcba275bfb97e55f30f0987386f77044af82de51eb945c7dfbe
- root 4eea2e76ed870c49772d128b9f6deedb6fd0eaf64c841a63d0ee89e9c935b137