OpenTechnical

OT-2026-000076657

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, pulsed 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-2026-000076657) never changes.

Identity and time

Publication numberOT-2026-000076657 · never reused
Internal UUID01a0ae94-b06f-7f20-b577-9216e8fc1765 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076657
StatusPUBLIC

Content hashes

Canonical text9dde0e809e48e249bb39b5a48f827f78260194bce863d7dc238a74445b782d89
Markdownc77276808dfeca0f617afc57299375908060f1f660d4e8e29594ee4ea4d4b9dc
PDF
Publication pagee1ba85f78f0ff6e0688c975d52218625fc88650a190564f77c43c4aafb6788fd
Manifest8abdabd77085dadde9f54c7f8202183e7e277bafc339a1bc8ed601571ba9d3b4

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
SignatureZZf2VThYSgzE1NzTnwW7qLTFovItoWvEg5zHuA4QOmVy37DpAUGoK/nYMX6WEQJ1k0Fodr2Q3Qjs4b2MtFXnBw==
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

2026-09-17T10:09:21.341427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076657
observed e1ba85f78f0ff6e0688c975d52218625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:21.323860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076657/manifest.json
observed 8abdabd77085dadde9f54c7f8202183e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:21.305908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076657/publication.md
observed c77276808dfeca0f617afc5729937590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:21.255534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076657/publication.txt
observed 9dde0e809e48e249bb39b5a48f827f78...
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.