OpenTechnical

OT-2026-000091363

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000091363) never changes.

Identity and time

Publication numberOT-2026-000091363 · never reused
Internal UUID01a0ae9c-f16c-7004-8ed2-236061e1babb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091363
StatusPUBLIC

Content hashes

Canonical textefbc22329336d306a45d006dab96c67e2564b5cad7e42f6496037f59b107bfcf
Markdownb8a21f5873157c16f918a16ee494e2ea3e6a9c80fbe4d922a99d548093215f07
PDF
Publication page38ecc388ff520cea1d422494d4b9040f9e52d196b578fadd97e7dacf4838a7c3
Manifest549c6d24b2685dd217ebd4c33a8c6662a75bb901328f5bf85f1d3e06c0212ec6

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
SignatureFqaVT2bfUyOCUTg8jdbb69DRS5VWSyLYGvzzaT2C8rFlK79I7gkA5qKuc79nwkPPv605ayWpY7IbAxNxrQ52Bg==
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

2026-09-17T09:43:34.831051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091363
observed 38ecc388ff520cea1d422494d4b9040f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:34.812025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091363/manifest.json
observed 549c6d24b2685dd217ebd4c33a8c6662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:34.792689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091363/publication.md
observed b8a21f5873157c16f918a16ee494e2ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:34.775342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091363/publication.txt
observed efbc22329336d306a45d006dab96c67e...
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.