OpenTechnical

OT-2026-000006571

Publication integrity record

Porous face vacuum gripper, per zone isolation, ejector fed, contact triggered

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-2026-000006571) never changes.

Identity and time

Publication numberOT-2026-000006571 · never reused
Internal UUID01a0a95f-e908-7e22-acea-aa2769750741 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:40:30.219035Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006571
StatusPUBLIC

Content hashes

Canonical text2527649c48593af2cf620164f410e226a9c79d6287ae2a53bf184f7123bd5b09
Markdown80178d06030e268b38db07c186e26e9644cd30a73fdd33446b862f42fc82d8d9
PDF
Publication pagef0331d54171ffb613ab136121e6254b88bb58367abfcfa5d370c80eb19a5377a
Manifestcefcb13b6790b4b922cc6181bf9ef19feee4084662d4c1265803b6b7e4a0fdfd

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
SignatureUiCauofk3reuV8+4S8qwRwDcIv9w2jagQttJ+K0eJoLue7qzXmDUrxmqZAxw4BalQ+ik4RdIVaMAClwXEP2vCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:29.681121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006571
observed f0331d54171ffb613ab136121e6254b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.667987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006571/manifest.json
observed cefcb13b6790b4b922cc6181bf9ef19f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.654009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006571/publication.md
observed 80178d06030e268b38db07c186e26e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.639139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006571/publication.txt
observed 2527649c48593af2cf620164f410e226...
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.