OpenTechnical

OT-2026-000089342

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000089342) never changes.

Identity and time

Publication numberOT-2026-000089342 · never reused
Internal UUID01a0ae9b-db01-75c1-8185-a1d56ee8965d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089342
StatusPUBLIC

Content hashes

Canonical texte17e50cffbafa32ac80009b1577b686aa5fe990a60d4a4c47f2372a8ba8831a7
Markdownebaefeb508f3361b6eac19d52ecc1e051dab4db27fa6c9afe83f2c0dafba4edc
PDF
Publication page3d881391d6d70ee2aa45bf38b0edc304570de65511a807447ae9eb1d43256697
Manifestf6b9643f9a4fed666e85e008a26c96d95f73977642e1f8375666b2b1069b1baf

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
SignatureyXCZhce8rmLDqACRU8Nor0Fim6tfaBM/z6PefUkwa1/RijRBbREom7XuNDoh45TyNuF1HoyjDpH2PWpIGILLCg==
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

2026-09-17T09:47:23.871041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089342
observed 3d881391d6d70ee2aa45bf38b0edc304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.853997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089342/manifest.json
observed f6b9643f9a4fed666e85e008a26c96d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.835700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089342/publication.md
observed ebaefeb508f3361b6eac19d52ecc1e05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.819742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089342/publication.txt
observed e17e50cffbafa32ac80009b1577b686a...
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.