OpenTechnical

OT-2026-000027079

Publication integrity record

Three cup vacuum gripper, three zone face, single 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-2026-000027079) never changes.

Identity and time

Publication numberOT-2026-000027079 · never reused
Internal UUID01a0ae72-3453-79b2-a8d5-38fd2028049b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027079
StatusPUBLIC

Content hashes

Canonical text2e81e1fd5bbf574871b33a8dbcdddd188fc62da2c3fdedac1a8ef2c705565c64
Markdownc093f63b0fec7c15f63e9f9b6f564851f8ada97cbb5b7af0c25b98b1e38ba466
PDF
Publication page898c1816d67524a1031512315eb3ce7e170a33f47925ba64872409d92deda7d5
Manifest0e720dcbdee33205ca642c0ed081ff38f32fe0c946c24f2c83abbb2f685ca975

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
Signatureha1Z6e6T02lr4VwbjVBC0/B34yRVhJ+EFJP2rsdlralfCQtgLCu0P7HhF06/ONR2g9iMUy9LN1z4iNntUK8UAg==
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

2026-09-17T11:43:50.606221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027079
observed 898c1816d67524a1031512315eb3ce7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.590721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027079/manifest.json
observed 0e720dcbdee33205ca642c0ed081ff38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.572875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027079/publication.md
observed c093f63b0fec7c15f63e9f9b6f564851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.557050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027079/publication.txt
observed 2e81e1fd5bbf574871b33a8dbcdddd18...
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.