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 ZAMBOANGA, ZAMBOANGA DEL SUR Award a ₱1.5M contract to ESSA BUILDERSCities
Transaction hash:
a42d2113ca2c7d59d3450e6aa78708be588a8f783db1df30e33c4060f7a513fc
Status:
Included and unchanged
Block:
#2,088 3,925 blocks after it
Position in block:
Transaction 138 of 204
Award day:
May 29, 2014 (12 yrs 5 mo ago)
Value:
₱1,496,534.97
Project:
Improvement of Farm-to-Market Road at Dita
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 #2,088 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 ZAMBOANGA, ZAMBOANGA DEL SUR awarded it to ESSA BUILDERS on 2014-05-29.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 City of Zamboanga 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 a42d2113ca…a513fcnow …
- 2. Block Merkle root changedstored f9df6b1e23…644f1cnow …
- 3. Block #2088 hash changedstored bd4e14ca93…63f033now …
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 203 records. Each step hashes the current value together with the sibling shown.
- leaf a42d2113ca2c7d59d3450e6aa78708be588a8f783db1df30e33c4060f7a513fc
- 01 R a5b84fb2c5dc5eef83a7e7f8ea14b369b36df5bc1deec15c79c5a2ed2938eeec
- 02 L 82b25b8804cd5da50729da4b89146897d32dc67ab84c2ea5a89d8829a973054b
- 03 R b56a5b3454e7db2d841a252751a2a15a92770eec1bd73be14cb2d36bcb3cadac
- 04 L ce9d366c416f88e6e595fc72ecf86624507822f730f4daefbd8f6c92a55c89b8
- 05 R ef2ea5ab429590d104345cee7745003ed0a7e80ec3353ba5de3cf3e190379d3f
- 06 R f441fbcb9083c5aa3e8d970adce4152231fd018efae875deade03fd001009de5
- 07 R 2f3204a17e68d9f3e1bd3dd102bcb07bd27f6d47693645f7136e333908bed165
- 08 L ca80ccbef3629fdc604a1e8aaf711b5596b9246f2e6a8f2d2cd54a3598d28738
- root f9df6b1e23772c325a33c464302d90e1b635f7ef7d31eb4c84a8386cb5644f1c