OpenTechnical

OT-2026-000088534

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000088534) never changes.

Identity and time

Publication numberOT-2026-000088534 · never reused
Internal UUID01a0ae9b-8f0e-737e-9659-dd69e6d170f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088534
StatusPUBLIC

Content hashes

Canonical text1707136f82bfd83cfc4f3a234bff39012e5b155260900bd1c8b77ec1780cb331
Markdownc3d2a89e177849c4eb7c3eca5abab165a4c9cca14781c0ebf7de0f8eb52130d4
PDF
Publication page995e735661020b7621e917d691e228009f98e8115ec80d9ac3ed03e38d91a0f9
Manifest55090f7e2836937dbe8e238ecb5c5c4b46accebc1e100d7d8d18300f61b500c2

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
SignaturezlahJyW+BmWdi4cQgUHUE6OF4oXQCqNmYuZ81ezKIHglHr53AFM8jVRkDIfGcias2imFWEBdlVDaothDTwrTDg==
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

2026-09-17T09:47:42.066574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088534
observed 995e735661020b7621e917d691e22800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.006296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088534/manifest.json
observed 55090f7e2836937dbe8e238ecb5c5c4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.988616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088534/publication.md
observed c3d2a89e177849c4eb7c3eca5abab165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:41.971040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088534/publication.txt
observed 1707136f82bfd83cfc4f3a234bff3901...
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.