OpenTechnical

OT-2026-000088056

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000088056) never changes.

Identity and time

Publication numberOT-2026-000088056 · never reused
Internal UUID01a0ae9b-1aa7-7aa9-b7f5-e56040ab326c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088056
StatusPUBLIC

Content hashes

Canonical text1fe6feca0e3150b70622f352803414dbb6e58ed7680882046676b16567f55f43
Markdown410331d3ab5acb7b616f3b5c7066feaac4eec0cd42f2eeb6046276f1fcb96bbb
PDF
Publication pageabc2f2b844d324aaf200f4b90eb45b82c425b39d5856d958ef35e185cdd6e1f6
Manifestfc3be5b4b958c03208ffbf0617b8bab5f89e08b5a6e70d06bbf2e32db557beeb

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
Signature9x4BzstOsm5g2GbEMPid6qSVKEa6xX1H/veayj0u9IoXc2iqkKt2C0vkdpu6znQLJinlvtxVqYC76t+SgKYXCA==
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

2026-09-17T09:50:02.945338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088056
observed abc2f2b844d324aaf200f4b90eb45b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:02.924472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088056/manifest.json
observed fc3be5b4b958c03208ffbf0617b8bab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:02.904838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088056/publication.md
observed 410331d3ab5acb7b616f3b5c7066feaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:02.884842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088056/publication.txt
observed 1fe6feca0e3150b70622f352803414db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:01.990929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088056
observed abc2f2b844d324aaf200f4b90eb45b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:01.959834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088056/manifest.json
observed fc3be5b4b958c03208ffbf0617b8bab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:01.941835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088056/publication.md
observed 410331d3ab5acb7b616f3b5c7066feaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:01.922378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088056/publication.txt
observed 1fe6feca0e3150b70622f352803414db...
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.