OpenTechnical

OT-2026-000018583

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000018583) never changes.

Identity and time

Publication numberOT-2026-000018583 · never reused
Internal UUID01a0ae6e-b48b-78d8-951d-23a5e1bd4fc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018583
StatusPUBLIC

Content hashes

Canonical text5a0a31ea3fccff5555242486a3eb9fd0730daa77d78540d9de90937eca7e0ec9
Markdown4f0b55eb8425d5e762026530829697f7169bf8d21e54c13a963d5b72fedd0ae6
PDF
Publication pagea1dce29dce03c1b04ab53aa7dc98acdf854fa0d56d7b7473e0239453507a5cc3
Manifestec324ffc0ba925bb47d342ecc1bf90c8080a179ce64dce975d9f63aa80f35250

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
SignatureeCepPoLr0iDR4wpavPA/1WJMt96QZT5F2GwYJpW/TZ1UhBnU6ZZAQZ8Fbuv1N7/cah0QI/pjtq+Xq43voMAGCw==
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

2026-09-17T12:01:23.196353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018583
observed a1dce29dce03c1b04ab53aa7dc98acdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:23.179427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018583/manifest.json
observed ec324ffc0ba925bb47d342ecc1bf90c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:23.163382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018583/publication.md
observed 4f0b55eb8425d5e762026530829697f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:23.146094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018583/publication.txt
observed 5a0a31ea3fccff5555242486a3eb9fd0...
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.