OpenTechnical

OT-2026-000083215

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, 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-2026-000083215) never changes.

Identity and time

Publication numberOT-2026-000083215 · never reused
Internal UUID01a0ae97-c963-7d43-8541-2899bbe0e9c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083215
StatusPUBLIC

Content hashes

Canonical text5e6464ec1a90a0e1c041c02c4225ede79239c499c850299f0ec81e7a167a2a84
Markdownb739c140910629aa7fda10788d2325edc0286e91ffc403fd1b2773b20fdeae0b
PDF
Publication pageaae0b12fe45899eaf3e444477df8917820dacb65cab76cab7febd73eb3f6e6ee
Manifest87befc1d19ec42fd6c372c4adfe20e3041f2aded9e588ba66d95b377d63f4080

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
Signature3ossm6EOZAC7MA9JoQHUo9oiGVo4GW3duNvOSTdwunAyloa0zRdcc4UpaZGRqQHCS8P7keFZIrTPdpmbFEgPAw==
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

2026-09-17T09:01:06.677147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083215
observed aae0b12fe45899eaf3e444477df89178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:06.658979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083215/manifest.json
observed 87befc1d19ec42fd6c372c4adfe20e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:06.641690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083215/publication.md
observed b739c140910629aa7fda10788d2325ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:06.623817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083215/publication.txt
observed 5e6464ec1a90a0e1c041c02c4225ede7...
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.