OpenTechnical

OT-2026-000064207

Publication integrity record

Three cup vacuum gripper, three zone face, single 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-2026-000064207) never changes.

Identity and time

Publication numberOT-2026-000064207 · never reused
Internal UUID01a0ae8d-a45f-72f1-ac3d-fd2e1d6a1a07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064207
StatusPUBLIC

Content hashes

Canonical text5730d6cbfe52e4ba278d29bd3f39373e8dec07d4f10fdd5192f8de0a909b2bd5
Markdownf92d51f3b65d3648278ddd81b7b6f1b2acd53c179fa3665b250f14645adab37f
PDF
Publication pagea0335a98c91035ebf9b5eeb7af1ee7b7ad8b52e9eee9395493148ff708ac4830
Manifest25d7baaf5f7a5b05f096ffb8926d3d8be4922a4377ce0c3e1f59123c6d3f2ea6

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
SignaturehYTD1Kwg17l4bx3nso9XRqlKmvOLyElN5XgbA5RADv+tNLvI4zrcxL3xsu2yIO+sNeaq3ZC/gN4i9m2qKPfFBQ==
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

2026-09-17T10:36:19.525438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064207
observed a0335a98c91035ebf9b5eeb7af1ee7b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:19.508353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064207/manifest.json
observed 25d7baaf5f7a5b05f096ffb8926d3d8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:19.491782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064207/publication.md
observed f92d51f3b65d3648278ddd81b7b6f1b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:19.475984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064207/publication.txt
observed 5730d6cbfe52e4ba278d29bd3f39373e...
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.