OpenTechnical

OT-2026-000089807

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000089807) never changes.

Identity and time

Publication numberOT-2026-000089807 · never reused
Internal UUID01a0ae9c-1a23-736e-b5f5-04d58ab1b741 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089807
StatusPUBLIC

Content hashes

Canonical textde01fe273d552eff65a418d327a5380a822f6fd800b4d78a7f5e9322f118698b
Markdowne80da14e5ebfdd298fdd6ddcaec4199533c3fded21b451a1cead8d212d5fcf95
PDF
Publication page58b49188444281520290a3307aa3ab01ca9719ed394a14fe80e93ca842cb0f87
Manifesteda4572349987d945b015ccdc50bb273e15374a281eb75e076f87987ad71250b

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
SignatureJUrWmj2kgOSsG8pz/Wwc6bxQW2vo6M6uNKr1xj3A6KqTly4/8Zi04y8WHKjes+wuPo+8ryjXkOXlVZicBZ1dBA==
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

2026-09-17T09:46:54.073738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089807
observed 58b49188444281520290a3307aa3ab01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:54.055338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089807/manifest.json
observed eda4572349987d945b015ccdc50bb273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:54.038838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089807/publication.md
observed e80da14e5ebfdd298fdd6ddcaec41995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:54.021803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089807/publication.txt
observed de01fe273d552eff65a418d327a5380a...
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.