OpenTechnical

OT-2026-000015935

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000015935) never changes.

Identity and time

Publication numberOT-2026-000015935 · never reused
Internal UUID01a0ae6e-0c4d-7862-940a-e5b05c2044ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015935
StatusPUBLIC

Content hashes

Canonical text591c196432d97f3d2e2bbf8b2136a56bc8cb17548f58ade3aae28cf5175d0e08
Markdown4c6c26f3c52f82c321d8acbb52a1916759e540b15f7e93bc10c8b50c85f125cf
PDF
Publication page393c8456fe88e8fad8ff553744cdfc40e7c063a7c1d8778ed8a6d1fd203a100c
Manifest5d54fa434815e9298562202609f0d7db744880ae39b3dc9ae6c5c019bf34757d

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
SignatureyCb6QjcwPHhLJ9K6yxBM18iw4dELY0hyI+57Bd1fgIc5GRhBORg57H4NiEnc+za7bClHlqiogIZVhkTheFsiCQ==
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

2026-09-17T12:05:24.432313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015935
observed 393c8456fe88e8fad8ff553744cdfc40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.410557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015935/manifest.json
observed 5d54fa434815e9298562202609f0d7db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.390675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015935/publication.md
observed 4c6c26f3c52f82c321d8acbb52a19167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:24.371553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015935/publication.txt
observed 591c196432d97f3d2e2bbf8b2136a56b...
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.