OpenTechnical

OT-2026-000088691

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000088691) never changes.

Identity and time

Publication numberOT-2026-000088691 · never reused
Internal UUID01a0ae9b-8f0f-77af-bfdb-4ec68ee83d94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088691
StatusPUBLIC

Content hashes

Canonical textc98535b0619a0832b6dbc5aa6cebdc34360c57cf704108579d802de7428ef50d
Markdown4a48b8d4c926d41cb382e3b748f16e8e24b0282201bfbd5282e2a039bd726928
PDF
Publication page742987c09cceb9e1cb75b55710278d108f172d186e80ebe402af6124df1bd1d3
Manifest84d1c8ee4ac7ba41617bce96a7d56ff3bcd84b7d8919192de6272c2a67327bc6

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
SignatureA8BinOssLZNp+o1Vs8bc9Pr5p+5w7+om2rrY9+gDP9pVOFPDpMNgsivNm8k/pVyMYto94USdY5YnILRFs/FTCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:55.426847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088691
observed 742987c09cceb9e1cb75b55710278d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:55.407718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088691/manifest.json
observed 84d1c8ee4ac7ba41617bce96a7d56ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:55.389632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088691/publication.md
observed 4a48b8d4c926d41cb382e3b748f16e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:55.370007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088691/publication.txt
observed c98535b0619a0832b6dbc5aa6cebdc34...
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.