OpenTechnical

OT-2026-000055018

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000055018) never changes.

Identity and time

Publication numberOT-2026-000055018 · never reused
Internal UUID01a0ae86-5e80-7124-82b1-8a7cc9bb91f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055018
StatusPUBLIC

Content hashes

Canonical text6680fc7a8efcde414b3a816ce4ca19e073429a6cd35d5038c54ac31bf62a3bc7
Markdown103a1f81aca134188fd8c27db1c72c4e6187bce675fb37c4d107e9afc5dfa24c
PDF
Publication pagee8c31bad4ab93b810137993bf7a86609925badd50b2c7047ae91d34773a2dd33
Manifest123ecadc3e734f1040dac87812f438b85c4159ddbd6e768d3e5aa13384197e02

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturerkglBBapTGzSEf+coVIc6OtEYjta6cm+TK0Pzn1DIdftZPUbgvDhB9q1oUOCUANe1o1UQ7Mz76V30aqqDURRDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:09.203281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055018
observed e8c31bad4ab93b810137993bf7a86609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:09.181659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055018/manifest.json
observed 123ecadc3e734f1040dac87812f438b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:09.164605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055018/publication.md
observed 103a1f81aca134188fd8c27db1c72c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:09.146625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055018/publication.txt
observed 6680fc7a8efcde414b3a816ce4ca19e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.