OpenTechnical

OT-2026-000049775

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000049775) never changes.

Identity and time

Publication numberOT-2026-000049775 · never reused
Internal UUID01a0ae81-8fef-76fd-98b5-2c9d4f491331 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049775
StatusPUBLIC

Content hashes

Canonical text0b5d9cc6b0f5d18ea887021113ac1da8fe4554f5ebc055d3b015adde98e21e04
Markdownfd8ebca7bfd9e668542ee12beb65667f08f8661994b39eb5278659ac84d2e804
PDF
Publication page943d1fc9b3e5c7e4091dd2b6db40ca66e06d044ee80ee3839dfced6baedb1d7a
Manifestd879c957162f416bd72fe0441f94acf18ffee9f6f6d6f7e760f79e2f2ae3171d

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
SignatureeB/7nfnSwAfMu2FwxFbSkG5+3vUO4wH3qDG2G4HFCzp4r1WMc9qqyBVy0j11GoLkm7eP/R0DyP62dJEeVrAMAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:53.395702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049775
observed 943d1fc9b3e5c7e4091dd2b6db40ca66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.375220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049775/manifest.json
observed d879c957162f416bd72fe0441f94acf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.354992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049775/publication.md
observed fd8ebca7bfd9e668542ee12beb65667f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.337038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049775/publication.txt
observed 0b5d9cc6b0f5d18ea887021113ac1da8...
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.