OpenTechnical

OT-2026-000082543

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000082543) never changes.

Identity and time

Publication numberOT-2026-000082543 · never reused
Internal UUID01a0ae97-8cc7-74c4-8d32-40c392305f11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082543
StatusPUBLIC

Content hashes

Canonical textf40e4fb3f44eca16e32e3492c97f004282626a24e68d4d3b3ddbfa8a88d57e28
Markdown0066b8557416e9ded56583db299dd5b359464af35977b502d7d61f18af7d7a9d
PDF
Publication page9164300d443b6fdd5c42dc5be804b8a2b2bd45bf66cd02cabe5cbbbd3b394cde
Manifest92b8bff1c7e943ff82df616cd032e4cae7ff9663bd63d60a227d7d1cff0b54fa

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
SignatureJWv4DLnxTbbjPI+2ovD/2ac8xinWhvGY7yxjCJWIpuv0DkLkbgaaqao5xKei/aDWDnbr3kcLU09QdKXa6PrMAQ==
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

2026-09-17T09:57:58.730812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082543
observed 9164300d443b6fdd5c42dc5be804b8a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:58.714841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082543/manifest.json
observed 92b8bff1c7e943ff82df616cd032e4ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:58.697537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082543/publication.md
observed 0066b8557416e9ded56583db299dd5b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:58.682074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082543/publication.txt
observed f40e4fb3f44eca16e32e3492c97f0042...
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.