OpenTechnical

OT-2026-000069245

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000069245) never changes.

Identity and time

Publication numberOT-2026-000069245 · never reused
Internal UUID01a0ae90-b528-75c0-9be4-aff0c475b585 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069245
StatusPUBLIC

Content hashes

Canonical textd45b2ffced8a00b637aef9d95de56894ac7cb9bd33b997f5bac5de0ca722dd15
Markdown06fdbf24f6140b95ed4878e2851e070c34d47706ddc14aeee7c98eb6ccbd992d
PDF
Publication page86511351632ca4bff34772839057cc5d5f861c3f740b9d84bf4863cecb4bb5a1
Manifest4e332e83229f73dafa9b8053f54ad0cdf7f8fee3865ee9764d0db5ea891a317c

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
SignaturejfvFIrk8n6diGYC25/G/68NUdqE0RAbDqbfrE7+0BY3SANvPLR9jEBv0VO5fcTv4WO30etbw/I0HPtDKdOCWAA==
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

2026-09-17T10:27:18.980546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069245
observed 86511351632ca4bff34772839057cc5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.961930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069245/manifest.json
observed 4e332e83229f73dafa9b8053f54ad0cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.944946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069245/publication.md
observed 06fdbf24f6140b95ed4878e2851e070c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.924683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069245/publication.txt
observed d45b2ffced8a00b637aef9d95de56894...
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.