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 NARVACAN, ILOCOS SUR Award a ₱1.1M contract to M.A. TEJADA CONSTRUCTIONMunicipalities
Transaction hash:
49d6476f64deea9adc36c5ff4ab2f682cd31dde44937d3d2ca36e42ba7c37489
Status:
Included and unchanged
Block:
#4,232 1,781 blocks after it
Position in block:
Transaction 45 of 159
Award day:
Sep 25, 2020 (6 yrs 1 mo ago)
Value:
₱1,100,211.58
Project:
Construction of Narvacan Mall Landmark
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 #4,232 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 NARVACAN, ILOCOS SUR awarded it to M.A. TEJADA CONSTRUCTION on 2020-09-25.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 Narvacan 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 49d6476f64…c37489now …
- 2. Block Merkle root changedstored 9a0d71866d…3654f3now …
- 3. Block #4232 hash changedstored 80ddbe706e…7ec6adnow …
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 158 records. Each step hashes the current value together with the sibling shown.
- leaf 49d6476f64deea9adc36c5ff4ab2f682cd31dde44937d3d2ca36e42ba7c37489
- 01 L 494d2e3073f6dbf6db08d380c77a63974ebe0b06da84ccdd2189dbb1c1d607eb
- 02 R 3ce8cea374e70dfc4c8dca50cd95d6be5939e40cef9a29f8c34999955a9e2676
- 03 L 6a464ab9d12cdfdfe98fd0060a857f07bef86c2430e1e5f0e26421c810896432
- 04 L bcd8daac593b1ca8eed94b288ff8bf4bbf3bf0c6773e2cd9b923aa267a4d7849
- 05 R 7b55dcc2192ebe0530b3cb759343e96393672055e0211c6a87aefbd87a049f39
- 06 L ce20dd4121b2f9bac5336694b03853f0985240527c31370324c192590e289740
- 07 R af5f1afdf9f47154f43358b49887e0b903353d371fd454e4c5e6c86f95d181f6
- 08 R 8f3b20867cf36898956e96d75b1f694673dbcd17092c97b8ca3ebd61f120392b
- root 9a0d71866d18d59f688444ca02b07c3e678aba93ef21c083ac219aaef13654f3