OpenTechnical

OT-2026-000081667

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, sustained 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-2026-000081667) never changes.

Identity and time

Publication numberOT-2026-000081667 · never reused
Internal UUID01a0ae97-0f73-7c08-adcf-6737aae71f5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081667
StatusPUBLIC

Content hashes

Canonical text0e7c507d8cf07932de613bcfdf40af56534e0e159f5fef4ce0c124e53c770681
Markdowna1c789d4c7f8517f62d75e659f13373b8652527e6d9c5ebeeff9fe2a90a80e3c
PDF
Publication page8ae53e52d128feaba9c1e2820fe7fdcb65b16b0bba68534533111f67a45e6f96
Manifestf556c1c6d09bbdcda434d0a4644048c461c65421c4b212dfdf90ee95d2860d86

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
SignatureBDRQw6Ri21jsGUfMBu2D5Xei2R/EGBCieO0zrSkqwY5OmQPqzwlAV+xGSOudU6mcrDqyWkMgsT7M/GptOV21CQ==
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

2026-09-17T09:59:43.587386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081667
observed 8ae53e52d128feaba9c1e2820fe7fdcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:43.569517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081667/manifest.json
observed f556c1c6d09bbdcda434d0a4644048c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:43.552296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081667/publication.md
observed a1c789d4c7f8517f62d75e659f13373b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:43.534402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081667/publication.txt
observed 0e7c507d8cf07932de613bcfdf40af56...
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.