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
CITY OF OLONGAPO, ZAMBALES Award a ₱556.0K contract to CHS CONSTRUCTION AND SUPPLYCities
Transaction hash:
b804a5be6d57d73f8d2de65768f665e035453e838b73928f77b616f31060e858
Status:
Included and unchanged
Block:
#3,229 2,784 blocks after it
Position in block:
Transaction 220 of 288
Award day:
Oct 25, 2017 (9 yrs ago)
Value:
₱555,998.89
Project:
Replacement of Roofing and Trusses with Painting W
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 #3,229 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)CITY OF OLONGAPO, ZAMBALES awarded it to CHS CONSTRUCTION AND SUPPLY on 2017-10-25.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 City of Olongapo gave a "qualified" 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 b804a5be6d…60e858now …
- 2. Block Merkle root changedstored eca04bdf5c…806846now …
- 3. Block #3229 hash changedstored 4d8c422606…e6bf18now …
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 287 records. Each step hashes the current value together with the sibling shown.
- leaf b804a5be6d57d73f8d2de65768f665e035453e838b73928f77b616f31060e858
- 01 R b85312a927d7f76766bd7943e986f64cb448497596145dae85b5b4d3332cd309
- 02 R 3298a4b8ba27c02f9684e19c62ab5b8f13f5cf1721f88817ff05196509998535
- 03 L a36ac6363bda7285b9a728d68558b8886330efff785ad43db93a46163ed8579f
- 04 L a9c10f323dd24ffc5ea87c0489ddcf18d44dc7d7bfeaf9fa25aeceed37327a09
- 05 L ffe239a2915bd8bb06e58e557783d4e57b743b6677b181aaf0e2cb33e6075813
- 06 R 42838aec57ce60ac61a394a5cd619a99f01f81cc2aee5a76ad8cf4d36405f122
- 07 L ab4a9aa2dc985e1f92ecc22e81c15abca25168a17bf6a91200d278e02c5d8ad3
- 08 L 6209f07b6d8ae7f89975cbaed643c0bc5dc25b6ff02d474d2786bb33736ee064
- 09 R cad800e80308ba227e2dd6eeab51969dbe15a0bc3c380b9b14fd2ddae01ebe00
- root eca04bdf5c5611fe2464850396c463c672d8f6cad819339fa61362010a806846