OpenTechnical

OT-2026-000079411

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000079411) never changes.

Identity and time

Publication numberOT-2026-000079411 · never reused
Internal UUID01a0ae96-0b91-72c5-8118-ebfc512fb0da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079411
StatusPUBLIC

Content hashes

Canonical text8442fa03c1223f26800cf55654f81da981b7d5df09c9e62c4edb545d01857789
Markdown5e7625a73c3fd04e5a7645dd281725a622f56a6d05c3000855533f847c07de22
PDF
Publication pagef932857dc78875787ed842dd72063d7bae8974299481d23d93b639b17a332b0f
Manifest2526959d789906bfbdce232775e189ea217323df7d6938d8dfc9e2b257427a2c

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
SignatureqjFBOYLmB79k6xR3Vr6PiQtyy2JfH0jqmMWNjiwT3LieoLk1ywktclTXuYa2hyVutXNnW9q0CqU67Z/0w4DQDg==
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

2026-09-17T10:04:43.568867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079411
observed f932857dc78875787ed842dd72063d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:43.549292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079411/manifest.json
observed 2526959d789906bfbdce232775e189ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:43.532048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079411/publication.md
observed 5e7625a73c3fd04e5a7645dd281725a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:43.513565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079411/publication.txt
observed 8442fa03c1223f26800cf55654f81da9...
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.