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 SAMAR Award a ₱5.2M contract to PYUKEI CONSTRUCTION INC.Provinces
Transaction hash:
87e2bdd17edcc7b42e1d7dec873cf774f600c2c2c6d1995a4b41ce2fb27cd2b2
Status:
Included and unchanged
Block:
#3,203 2,810 blocks after it
Position in block:
Transaction 122 of 220
Award day:
Sep 28, 2017 (9 yrs 1 mo ago)
From:
Value:
₱5,168,972.41
Project:
construction project
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 #3,203 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 SAMAR awarded it to PYUKEI CONSTRUCTION INC. on 2017-09-28.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 Samar 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 87e2bdd17e…7cd2b2now …
- 2. Block Merkle root changedstored 820f8341eb…b2844bnow …
- 3. Block #3203 hash changedstored d06f49bb2c…3895a1now …
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 219 records. Each step hashes the current value together with the sibling shown.
- leaf 87e2bdd17edcc7b42e1d7dec873cf774f600c2c2c6d1995a4b41ce2fb27cd2b2
- 01 R 8840d3115a7da8275efb3b4212b06cd06da82be53aceb90395c0c54a8c0f98a7
- 02 L 5362b02ca6cfe3163e4a0c468cb7860f8b263004d259305761398f0e4fdc90eb
- 03 R 8c79ef8d50d4805f6be40a5f40800df66cfd168a6cc18e2452215c8637669ddc
- 04 L 072d786822c3543440377e2c47d55cfe0a27173658b732991101fd40aaa3a857
- 05 L dea6d34b846f130e44ce1e2fa917600ab97cdef2d0b69b8eff8d0c0d9c67ec57
- 06 L 174bbb3aab6c28be8079f433beef85179cc13c0157e51b4e33d907432466c25d
- 07 L c43899c3841b60485da6d415b0bc5761518f60c78c9cb55f2ea4a7f08065fa66
- 08 R 205c8f381261d309a35aed2201e9576b796a4ff2350cfabcfc3449288a861701
- root 820f8341ebce01791de61f109b15602acf4ae51088349e9f5c4dab1de6b2844b