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 TANDAG, SURIGAO DEL SUR Award a ₱2.0M contract to ROWIES CONSTRUCTIONCities
Transaction hash:
ca3d222faef3296d23e5c42c5f20e69b5c02c5192152f325cb2b6219830a7ba8
Status:
Included and unchanged
Block:
#1,690 4,323 blocks after it
Position in block:
Transaction 121 of 156
Award day:
Feb 26, 2013 (13 yrs 8 mo ago)
Value:
₱1,962,477.61
Project:
Rehabilitation of Farm to Market Road
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 #1,690 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 TANDAG, SURIGAO DEL SUR awarded it to ROWIES CONSTRUCTION on 2013-02-26.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 Tandag 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 ca3d222fae…0a7ba8now …
- 2. Block Merkle root changedstored 8fab610362…cb7422now …
- 3. Block #1690 hash changedstored f274dbe87f…3f158dnow …
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 155 records. Each step hashes the current value together with the sibling shown.
- leaf ca3d222faef3296d23e5c42c5f20e69b5c02c5192152f325cb2b6219830a7ba8
- 01 L c8839594da974cadc55cae0bfae227c6660ba2c6d52f9eabca47bf729797f245
- 02 R de6adf31a37c07e6b2397dab7bd7aae93245f15f5b86ab253f0f15490f7aa77f
- 03 R a70c6c55a0ce4104c60bb34bc06f958ab8f71664d74a56b7c9afda57bf93ab58
- 04 L a99f0822ebccadb6e49365b01ea4b25837a45bbe7bdc4da29ee238a189836a2f
- 05 L 1796b23eceb276020c4abf9f0cba3e1f8fa6ac9079f42614984b23753b1aafb5
- 06 L 23413941ce34d65bf1be556aa6e1c05bbe9795b35cf298b84d603038ac4ace0b
- 07 L 96df0669b54cf6d57eafd3922d13ce8d6da1e6910cc3150fa571424746a56438
- 08 R 72370770bdd75947eaeda187fd4b0ea8c8c45f846eee0f4268d783bb77f26de4
- root 8fab6103620dc6874e44c781b4b5b29a299df30cc0b50b8bd00ecd4ea3cb7422