OpenTechnical

OT-2026-000102968

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000102968) never changes.

Identity and time

Publication numberOT-2026-000102968 · never reused
Internal UUID01a0aea4-be3c-7530-96a0-2fa34f8df5d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102968
StatusPUBLIC

Content hashes

Canonical text7a37f59154105ac6afffcb21aff927f3378bfa7c89c0e73ae2887ed40d913bf4
Markdowne0fae057ed8459fbab07c7998179847e3ee060df2212816810687d58d2bdc943
PDF
Publication page5d25ab1947670959b0cf51c5b1a6c0dea16fbbfa4ff7047fa0c4348324b82653
Manifest4a77443a205937834f8b83d9967f05728f3866b95162d8172d85784d5cb6c1ba

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
SignatureYX1IpXiOEf/rZShb1Y7CkYkmOP+4dWYObBQPaCK+q7sTvkqD4fR4mfCbJxhLGO6IdvZdFEuFc/b0/6dH3JQbCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:49.278807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102968
observed 5d25ab1947670959b0cf51c5b1a6c0de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:49.261071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102968/manifest.json
observed 4a77443a205937834f8b83d9967f0572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:49.242978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102968/publication.md
observed e0fae057ed8459fbab07c7998179847e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:49.224896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102968/publication.txt
observed 7a37f59154105ac6afffcb21aff927f3...
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.