OpenTechnical

OT-2026-000065315

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000065315) never changes.

Identity and time

Publication numberOT-2026-000065315 · never reused
Internal UUID01a0ae8e-1dfa-7200-83a4-8cf58a7babb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065315
StatusPUBLIC

Content hashes

Canonical text388c45fef95353ebf076eb82222ea2099c39161a91113867737a1d2423434de3
Markdown7ee93679ceec353c02c3fc7c8fe0f311eea3777fdb26bba157bcf877fac7c681
PDF
Publication pagef6e8d4d64e56518e0ce8850b6f341fedbdc12633412a6f2dbca103bd0a5efd5c
Manifest4442d36b12afd509fac7ee11559fbb080093770d537879982332c8a59f30c8a6

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
SignatureJP4tEmWdBN/n3aBN6Ke3ws5GZCtorR4oaeWldH4HDzoNFc1EQompQ/TZpbGtj/BPfQVewqX9hFqgaLK8jBY6CQ==
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

2026-09-17T10:35:17.504077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065315
observed f6e8d4d64e56518e0ce8850b6f341fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:17.484498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065315/manifest.json
observed 4442d36b12afd509fac7ee11559fbb08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:17.465285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065315/publication.md
observed 7ee93679ceec353c02c3fc7c8fe0f311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:17.447277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065315/publication.txt
observed 388c45fef95353ebf076eb82222ea209...
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.