OpenTechnical

OT-2026-000090588

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000090588) never changes.

Identity and time

Publication numberOT-2026-000090588 · never reused
Internal UUID01a0ae9c-7f2f-72ce-b19e-4c61784f7365 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090588
StatusPUBLIC

Content hashes

Canonical textad95750652f2654fc994a2fde0d3186e2accc95cc804b11e5ad2c60b75aea64d
Markdown2bc953c6ab465421be03c58f73a172dc83177ed3a264141ce6e4064fa7ca4926
PDF
Publication page19e8f7ecb57c4e3621ec0c1d7e21300a18d4a40eb68982aaca842a38d6ba4346
Manifest98460b4db5fe71f954083b3d2bd2aaa1f21b1c1b7d839be8c571f9b93d139dba

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
SignatureM2lPKXCOwGAG/QKyGe+0T75cfEBkDFUE4aNgpQBV3rCc818zOWcQr5B8d5IFaW3slQXRC0x4XS8mCQzD6U6TBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:46.312718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090588
observed 19e8f7ecb57c4e3621ec0c1d7e21300a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.294681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090588/manifest.json
observed 98460b4db5fe71f954083b3d2bd2aaa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.277642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090588/publication.md
observed 2bc953c6ab465421be03c58f73a172dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.259541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090588/publication.txt
observed ad95750652f2654fc994a2fde0d3186e...
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.