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 OCCIDENTAL Award a ₱50.0M contract to DISEM CONSTRUCTION AND SUPPLYProvinces
Transaction hash:
fd3eaac2a788bf9083b4d37355a036831cadffd21c0a6255d13c890e5a78404d
Status:
Included and unchanged
Block:
#4,913 1,100 blocks after it
Position in block:
Transaction 294 of 297
Award day:
Sep 9, 2022 (4 yrs 2 mo ago)
Value:
₱49,980,364.12
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 #4,913 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 OCCIDENTAL awarded it to DISEM CONSTRUCTION AND SUPPLY on 2022-09-09.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 Occidental 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 fd3eaac2a7…78404dnow …
- 2. Block Merkle root changedstored f70e7f356a…8d8ec1now …
- 3. Block #4913 hash changedstored 9ed3114d5a…b0d41cnow …
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 fd3eaac2a788bf9083b4d37355a036831cadffd21c0a6255d13c890e5a78404d
- 01 R ffa6a8c650ca3c3b4e726a07c9e758ddbb73c4811799acaadf6ce4b59d965159
- 02 L 983e27d338729d93677707dd500918930cceb63ce341314ec80f8cc6039d9738
- 03 L 13dbf496f194a97c472f1d14c554f4373890a1822d0ce3c149e217834dffa8e8
- 04 R 1db1f8009ea2ded916f8159559b5e82b42ba52d225c736b8fc39d9e78440707d
- 05 R 867aeb7e7896de6868200d9ad9d73ad961d247feffd45e6d314a8032ec63d25b
- 06 L 329498c629dbd813cca8386df23ab4510a908e462b12b0783d536f802a5ac828
- 07 R 958d4412bad28edd74c2ba19ca454665e1257b4773979ed04f8ad2d587caedf2
- 08 R 681424c93a2f9099ac5ef3c21912b5badaa9fd247fd2f5744ad30d7fc7554885
- 09 L 9ed914de777e5f6296ef0784dd4159424525bb589683a75a7a5b102c16c95672
- root f70e7f356a1e539c333f4668cecb8bb718cf6f0e4e3cc98561a15dad0d8d8ec1