OpenTechnical

OT-2026-000102048

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off after 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-2026-000102048) never changes.

Identity and time

Publication numberOT-2026-000102048 · never reused
Internal UUID01a0aea4-50f2-747e-9b0b-43590bdbd46b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102048
StatusPUBLIC

Content hashes

Canonical textd8c2969921949485b6a905ad6655dff7928289bc0064329912990556d768494a
Markdown7d93605b06e3f5056c4308fe821ffb2b3497a9f5956741501cac58c9e37ce6dc
PDF
Publication page67d1657fddee3eb2beb13cdbb4a74aecca3c7501d598673a3795f54eed9fa474
Manifest65922baadca3dd7e98674789ffffe098f26b76403e09cff82dbb087c608ff17c

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
SignatureL0YZjBwlJg33ETwvKXxL08HhE62hJqw3h4+vkUQdVibvvSzpaWQw7KjnrT6dVvXjkmJyhD7Wcz1fccBIzgtMCQ==
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

2026-09-17T09:25:11.263429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102048
observed 67d1657fddee3eb2beb13cdbb4a74aec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.245916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102048/manifest.json
observed 65922baadca3dd7e98674789ffffe098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.205462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102048/publication.md
observed 7d93605b06e3f5056c4308fe821ffb2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.167118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102048/publication.txt
observed d8c2969921949485b6a905ad6655dff7...
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.