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
PROVINCE OF DAVAO DEL SUR Award a ₱2.0M contract to CEK CONSTRUCTION AND WATER SUPPLYProvinces
Transaction hash:
963fd881e213ff4bfc3f43ea6c5bf222cdeabd9e2a45de21f22009f60c95d726
Status:
Included and unchanged
Block:
#3,465 2,548 blocks after it
Position in block:
Transaction 169 of 297
Award day:
Jul 2, 2018 (8 yrs 4 mo ago)
Value:
₱1,996,203.31
Project:
Construction Projects
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 #3,465 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)PROVINCE OF DAVAO DEL SUR awarded it to CEK CONSTRUCTION AND WATER SUPPLY on 2018-07-02.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 Davao del Sur gave a "not stated" 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 963fd881e2…95d726now …
- 2. Block Merkle root changedstored cafc877076…6f02b4now …
- 3. Block #3465 hash changedstored b4e40a7c5d…1e7db0now …
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 296 records. Each step hashes the current value together with the sibling shown.
- leaf 963fd881e213ff4bfc3f43ea6c5bf222cdeabd9e2a45de21f22009f60c95d726
- 01 L 95995218b1b6ab29084d143469515aa5d565a3e224f58d72c788cd55aeb5e122
- 02 R b8b8a0a36441026870940d0db6e3e1ec86df59e9586d1a42355d313e2174031e
- 03 R 4254f207548345d5a58a110c1055729b8e1929575ae550fcb01ba801e9854ac5
- 04 L acc7fe7f8a7f52f54e2f6243f7ded6ccc220c72fe15dfe9c17577efd35ed4db7
- 05 R 2193f4a290c7d43ba46e46f22c50c458ed85f87edf7aa2646abdb58ac065e764
- 06 L a4013c4ece7e43a0cf2db90218698ab7ba501d124cbdad733334788569d03cc0
- 07 R ab81dbad14cd3d432e12cb8a3fc9f81ee344c9f44fb15f1a701d6565cec34cdb
- 08 L 554b1abe36f924b66e050570e49bc7c46153257df82ae6091f56b54b8419cb3c
- 09 R b37528fc0ea690f192a88429cf5e6f4e2abfebe05ac6dba889a9ba3f0cad8048
- root cafc87707684dd24152ddb70e03b152de70925dc44ea65176174d89ea16f02b4