OpenTechnical

OT-2026-000081703

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000081703) never changes.

Identity and time

Publication numberOT-2026-000081703 · never reused
Internal UUID01a0ae97-0f73-77f6-836a-fb1c26fe1b50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081703
StatusPUBLIC

Content hashes

Canonical text7a1e35a599a47244cad2f0be1d05b3ad79785094733edafc62746594addf5d34
Markdowne8eee4d23a87629f99dee9703e58acc40b94382941ff58b8a2b1cf2e26a414da
PDF
Publication pagef0dfb82f961af1802c7a9e0dc4adc94ef9c5879015d9d2cbd93377daa925aaba
Manifestfd6729e913c99869721d34afa1410272ced4adcdd752c7bfaac591fed6d0115d

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
SignatureJi8PB9DLbAF16cEbaGSh5IUWSvL7zWTT5FyXaQp3LLTH1QAac0CnZ0csJW4R/0oP+rne3U4RXRqR75Hy0pzPAQ==
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

2026-09-17T09:59:46.387219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081703
observed f0dfb82f961af1802c7a9e0dc4adc94e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.368537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081703/manifest.json
observed fd6729e913c99869721d34afa1410272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.351333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081703/publication.md
observed e8eee4d23a87629f99dee9703e58acc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.319107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081703/publication.txt
observed 7a1e35a599a47244cad2f0be1d05b3ad...
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.