OpenTechnical

OT-2026-000091079

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single 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-2026-000091079) never changes.

Identity and time

Publication numberOT-2026-000091079 · never reused
Internal UUID01a0ae9c-c012-7e9d-991d-8f11b1c60706 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091079
StatusPUBLIC

Content hashes

Canonical text7fa6006511347f8bce9984fe4335af63ae613f46790b896a84745be9122e5875
Markdown28114ce79fd8b3650ee00a4becbe0673e22b298150895cb18b717a0a5a1f8926
PDF
Publication pagea5d8d6d3a3a4d81b199fc30a6118a335d72f2d13c562fc4ad7d2974737af3ce2
Manifeste21d492f04000683da1d203d80b4911ffd0c04d75fed5e5c5ae91776aea912bd

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
SignatureBxC7QR3jAcmPI6q9SGNoQmuXEe18CY2DdH5JzOTf1EFpbWSfMHZ6YD6Rhke1T7J5RCwVhHgssIA7M25CCl+uCg==
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

2026-09-17T09:44:19.460854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091079
observed a5d8d6d3a3a4d81b199fc30a6118a335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:19.441304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091079/manifest.json
observed e21d492f04000683da1d203d80b4911f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:19.424673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091079/publication.md
observed 28114ce79fd8b3650ee00a4becbe0673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:19.409615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091079/publication.txt
observed 7fa6006511347f8bce9984fe4335af63...
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.