OpenTechnical

OT-2026-000044347

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000044347) never changes.

Identity and time

Publication numberOT-2026-000044347 · never reused
Internal UUID01a0ae7c-39d6-7ca9-b7b1-58405f927e85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044347
StatusPUBLIC

Content hashes

Canonical text45dc365637646545c45d80a1de079e1e497a15634fbc1a1cd7bdaca7a78aeddd
Markdown2143612f7ababd70adc87ab83b6913c9e2497fc8f6678f7c4863b416b244af2e
PDF
Publication page5b5dfe54c6c1fe2d090480812a061f1c2c70fd40efc460ee9c27ccbd458d77d6
Manifest014620b91933157e4f019acbf4b3bbdcc9d8cda82fbe4e445e686b3311df3f7a

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
SignatureEbde7IYJU23gHEEVyIcVhMnJ013YMR4p1wgPPPBxCVsmTTpuU6T/FSiE+zFb0A7LP1/Fuc9Wm66WgLHS1/PlCA==
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

2026-09-17T08:30:26.069363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044347
observed 5b5dfe54c6c1fe2d090480812a061f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:26.048033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044347/manifest.json
observed 014620b91933157e4f019acbf4b3bbdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:26.028191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044347/publication.md
observed 2143612f7ababd70adc87ab83b6913c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:25.808643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044347/publication.txt
observed 45dc365637646545c45d80a1de079e1e...
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.