OpenTechnical

OT-2026-000073387

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000073387) never changes.

Identity and time

Publication numberOT-2026-000073387 · never reused
Internal UUID01a0ae92-efb8-73fb-ac74-10394cfcbd35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073387
StatusPUBLIC

Content hashes

Canonical text0fb0ae8b82e2ef95e711663dec7d26e3a07449aa4b68482dca1d1954d02590be
Markdowna0244268c011a1521eb8750f8be36028a6f64666a4adf72e011d9e2a643d3f13
PDF
Publication page30757116fce2e2cf49aff930b9590b1882efaaa095d0376fd224eb7c40eb97ad
Manifestcbe50c228f487ace5eafc0606f5efcff25895b631f0c228e9daccdde9d0a6713

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
Signature7NxfWXlNIwq1UT66IyIDoGDPtKhDJeo+JHB+xt/IeTzfi9H2uEl2nfeISCmIweumhMLYG/7Fh8ArmcNAN5ymBw==
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

2026-09-17T10:21:25.790097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073387
observed 30757116fce2e2cf49aff930b9590b18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.770951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073387/manifest.json
observed cbe50c228f487ace5eafc0606f5efcff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.751087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073387/publication.md
observed a0244268c011a1521eb8750f8be36028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.731069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073387/publication.txt
observed 0fb0ae8b82e2ef95e711663dec7d26e3...
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.