OpenTechnical

OT-2026-000087963

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line 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-2026-000087963) never changes.

Identity and time

Publication numberOT-2026-000087963 · never reused
Internal UUID01a0ae9b-1aa6-7d27-8343-b3c887e69ef3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087963
StatusPUBLIC

Content hashes

Canonical textea25c2e4b9b74fed1d4e3eadd745621a1a9daf74572a68d8e3eb6c55a929c026
Markdowne241a1fe93c871b444bad076601cf4be3cf37a7e627226044bc2e4097aa63ad8
PDF
Publication paged91ff69a687be088f6085f5d30bab5ac2fa6322130acd20213ec9a110d4d8fea
Manifest2035004e629e71fa98b647dbe24ddfc322a74771bcc77df97b4f27f8cdf1c2dc

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
SignatureoPPjgnwrEkmXXn+fvyWYgWBFUYqlmpZTvpg+m9rkTU4EZTdMPST77lbFUwwBQBcE3zyGCaXhvTPmyGQwnMgaCg==
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

2026-09-17T09:49:15.404463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087963
observed d91ff69a687be088f6085f5d30bab5ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.387024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087963/manifest.json
observed 2035004e629e71fa98b647dbe24ddfc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.370444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087963/publication.md
observed e241a1fe93c871b444bad076601cf4be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.353556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087963/publication.txt
observed ea25c2e4b9b74fed1d4e3eadd745621a...
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.