OpenTechnical

OT-2026-000091542

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, 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-2026-000091542) never changes.

Identity and time

Publication numberOT-2026-000091542 · never reused
Internal UUID01a0ae9c-f16e-77c9-b0ef-2517a4b2d818 · 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-2026-000091542
StatusPUBLIC

Content hashes

Canonical text876379032a8c6e07b9aa5acf88383d278311b717a2eff27fcc0cd62e928c33e5
Markdownb83ff35645e1bdbe81c604526e8d99a945249dbc483a71fa4d2f9538c6343a1f
PDF
Publication page2f30e1c4d5d6b9370e647d52e91a5adc52e11548aca9abd6b87ec4cf2883d9ce
Manifest94e09d4ef3fc22fe3f898ca7065993b4dc13954bdd0ee47d8d8d48709611435c

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
SignatureqQ3oTTLnxRsrJlSstNQ9ICecl8kU+kIFZGwBk2jF5ssOOBS4LT1reFJa10s6du3JaRBzTSxtAojEXGhCwYf6DQ==
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

2026-09-17T09:43:48.608685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091542
observed 2f30e1c4d5d6b9370e647d52e91a5adc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.591237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091542/manifest.json
observed 94e09d4ef3fc22fe3f898ca7065993b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.574448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091542/publication.md
observed b83ff35645e1bdbe81c604526e8d99a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.557185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091542/publication.txt
observed 876379032a8c6e07b9aa5acf88383d27...
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.