OpenTechnical

OT-2026-000100930

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000100930) never changes.

Identity and time

Publication numberOT-2026-000100930 · never reused
Internal UUID01a0aea3-c376-7f63-9260-4b5b21789933 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100930
StatusPUBLIC

Content hashes

Canonical text831be8a0618d8a595a1da05cbfe79ad9410c2b0fa80cdfe98ae25e1be85b847a
Markdown7a59ffd711b7ff2e307d5667c619b6c89b572643e5c14d8d631adaf41100a333
PDF
Publication pagea5bd43cabaa2d3f668d6a5639d97ef039c36aaf56e3c6687f81edd4ed028a53a
Manifest1b03c966bf3c495434aa6957a2de072f9b849122c15f44806d04c28c5a4e6635

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
SignatureafC73QeUvE1jLxy3gKIY2i3+PC8RoLpn8ofoYj1paDA6pWckWdaG5ncuXxgEKy7EQ4uTC02FJkjTq0kJYVAoDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:25.979260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100930
observed a5bd43cabaa2d3f668d6a5639d97ef03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:25.959206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100930/manifest.json
observed 1b03c966bf3c495434aa6957a2de072f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:25.940030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100930/publication.md
observed 7a59ffd711b7ff2e307d5667c619b6c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:25.919429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100930/publication.txt
observed 831be8a0618d8a595a1da05cbfe79ad9...
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.