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 SURIGAO, SURIGAO DEL NORTE Award a ₱1.2M contract to AMA CONSTRUCTIONCities
Transaction hash:
4eecaf0a9d517cc72b4fa67774efb1b429903023b97f0bf8a647099a5693cba8
Status:
Included and unchanged
Block:
#3,274 2,739 blocks after it
Position in block:
Transaction 120 of 372
Award day:
Dec 14, 2017 (8 yrs 10 mo ago)
Value:
₱1,158,007.32
Project:
Concreting of Road, Brgy. Mapawa
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 #3,274 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 SURIGAO, SURIGAO DEL NORTE awarded it to AMA CONSTRUCTION on 2017-12-14.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 Surigao 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 4eecaf0a9d…93cba8now …
- 2. Block Merkle root changedstored a81d4e3db5…2fa0cdnow …
- 3. Block #3274 hash changedstored d1d96acc84…aa5ae0now …
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 371 records. Each step hashes the current value together with the sibling shown.
- leaf 4eecaf0a9d517cc72b4fa67774efb1b429903023b97f0bf8a647099a5693cba8
- 01 R 4f4fcbacf1bb864195c222254e571d2955fecb14c03adfc4c9df687bfe000e5e
- 02 R 22443ce93e08aaada36410e6ee018f75061772267abba92a5cc70fb125540d43
- 03 R fdd43933c55793a723550a96255223ac8ad906610a77ac8b4f381762c691da9c
- 04 L 9b492ec16fd753764f2600a24d7695eed2b25932d9470bfbc39d8ddc16bc1379
- 05 L 88f034d79efa67a8ca85381af6e28b7a6ad0514ec7a8ee4f15a9b9b8695cf380
- 06 L 30df91295b5d3357c449850d281229b0ca0dc44a89b3cdfba0bfa698b86c7442
- 07 L 3a0e5ae3c90ff7a6ff53ae038c20d54238a8c1d1a631cabc9edd390b6d7b2481
- 08 R 65942732062424f2d8ebc7ba49dd3fa14bd02c7be3846d66d49ef488e8cfdfaf
- 09 R 147d57d4ea560a0b3e7ccadd27ba5a8b25f6ca8db379e06524c776344d149547
- root a81d4e3db576df08180ac64553acbde5799f3838a9d83c72eed20aceb22fa0cd