OpenTechnical

OT-2026-000050291

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four 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-2026-000050291) never changes.

Identity and time

Publication numberOT-2026-000050291 · never reused
Internal UUID01a0ae82-5c46-746e-8afd-806936da33d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050291
StatusPUBLIC

Content hashes

Canonical text714314da5b78fc232321cdcd356b2c65dd4df3fa389bdf7f2a7640aac16b4ea6
Markdownfbea9693fc8debda1b05b9825f0199415c1389127ba8f7196d1848132be24cfa
PDF
Publication pageb2cc215228faf648a909fcf0440d239f615cdf44dcde5294b7964e24e9f2086f
Manifestde27b398a0c626771f27555257a2f74fea2bcf0a74ca5c9cfcf083c8a083e977

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
Signature0eIKnUvKG9HDHoiYaXjBCKZVx/cDizc56JGwT1MH9fOb+BoA3UxRz8fRGcs5UKKJlMZZiwHij3noWkbJIv94Ag==
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

2026-09-17T11:01:17.854532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050291
observed b2cc215228faf648a909fcf0440d239f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.836386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050291/manifest.json
observed de27b398a0c626771f27555257a2f74f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.818602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050291/publication.md
observed fbea9693fc8debda1b05b9825f019941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:17.801842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050291/publication.txt
observed 714314da5b78fc232321cdcd356b2c65...
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.