OpenTechnical

OT-2026-000085671

Publication integrity record

Foam pad vacuum gripper, three zone face, single 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-2026-000085671) never changes.

Identity and time

Publication numberOT-2026-000085671 · never reused
Internal UUID01a0ae99-aaad-7a16-8a9c-d7bbeb506189 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085671
StatusPUBLIC

Content hashes

Canonical text3217df6be368e2a51c3573adf4557165440a7fa4e14762821cf03797727ffbe5
Markdown7240e4217b9839234b9a5971ebc7526a7c6b3700228ea03856d74554416644a5
PDF
Publication page4ebed6a3494c334d5290a4a51d1d8f2dd0c0b13558eae23a5d02752e3636de0a
Manifestf9538bda57e50fdaa91e268db1b6b8a6d15212bdad2d8b23b8e2eca230a1a519

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
SignatureZVnrhJUa7b4MHDZR6zyHXez/xeY2wOUv+g5Puy+x8CuVJgAdVn8W7s3IJKII53HFpDNYj7k11X/3/9l/NtxdCQ==
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

2026-09-17T09:54:33.935485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085671
observed 4ebed6a3494c334d5290a4a51d1d8f2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:33.917350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085671/manifest.json
observed f9538bda57e50fdaa91e268db1b6b8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:33.897940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085671/publication.md
observed 7240e4217b9839234b9a5971ebc7526a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:33.879975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085671/publication.txt
observed 3217df6be368e2a51c3573adf4557165...
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.