OpenTechnical

OT-2026-000088398

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three 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-2026-000088398) never changes.

Identity and time

Publication numberOT-2026-000088398 · never reused
Internal UUID01a0ae9b-5d27-74bd-8921-73a07cde88f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088398
StatusPUBLIC

Content hashes

Canonical textb79b510b554613ff395148e948c6488b463306945201c9a1c380d8e99aa347b8
Markdown8af655e907433f47105e4551524b38327092c60d08d99e59df4adc00b8781527
PDF
Publication paged6aa5aef4f80ee491a1ba8b45a4720cfbd709870839aab04d2735f0ec70fabfe
Manifest7c085760ad6df7ae8d80d214efad6fa24ad822199a6858ad34814e3ae6b389e6

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
SignatureISjxR97Q7xg2neHQV0N5UpgwZ6i64HVgQt1MIAJIsTQQKjmewi1OXeAZTWnxZ0fzDOg0xtouGZL+aE9IkaQ1AA==
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

2026-09-17T09:48:45.538231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088398
observed d6aa5aef4f80ee491a1ba8b45a4720cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.519837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088398/manifest.json
observed 7c085760ad6df7ae8d80d214efad6fa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.503855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088398/publication.md
observed 8af655e907433f47105e4551524b3832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.486603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088398/publication.txt
observed b79b510b554613ff395148e948c6488b...
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.