OpenTechnical

OT-2026-000101154

Publication integrity record

Four cup vacuum gripper, four 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-2026-000101154) never changes.

Identity and time

Publication numberOT-2026-000101154 · never reused
Internal UUID01a0aea3-c378-77ab-a516-753da8ec14cd · 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-2026-000101154
StatusPUBLIC

Content hashes

Canonical textc5010280b5f2e46b00850a2d9b4b240239a9629b2397c3a1a6d8723b33a61efc
Markdownf76539c66bbc534ed3291fcc17acaa02c35bba58dd00257354253818e37b655e
PDF
Publication page6c2b943eaad99c6fef94f3e9414c65cf23576bd00702d9542e4d5a74ba9ceadd
Manifest5629ca1823520186c7cc0bf3b53827c52ea3e921b7a43b01754722e0ef7f266c

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
Signature+jZoRL+QPJymAU23ulNhWKKHCRfXGrFTKdvCqT3X62l6lN2C8hLhmgq2GzMM4mRkS7zZi1yTRJ3ccc1VwzwlBg==
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

2026-09-17T09:26:47.439043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101154
observed 6c2b943eaad99c6fef94f3e9414c65cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:47.420880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101154/manifest.json
observed 5629ca1823520186c7cc0bf3b53827c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:47.403471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101154/publication.md
observed f76539c66bbc534ed3291fcc17acaa02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:47.384342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101154/publication.txt
observed c5010280b5f2e46b00850a2d9b4b2402...
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.