OpenTechnical

OT-2026-000086639

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000086639) never changes.

Identity and time

Publication numberOT-2026-000086639 · never reused
Internal UUID01a0ae9a-2c98-7d90-8a61-d8c482b6a807 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086639
StatusPUBLIC

Content hashes

Canonical textfac791f7c0e5d346dbcb4af73e7c9edea589d46613b916907e8ddc1f1402c9dd
Markdown24717eba139f0ecd205d9ee34dbaeb4f02d2d13bd1ddf8efe2c9e98560a78595
PDF
Publication page3c898e9ff404a7710385d65540ed6f9cba3f6c4c9348ec64a2350d8229819bc2
Manifestffb4b004617abaec003e5549458ad50bc7adc6495665bf0e45ffc95dbe3762e8

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
SignatureGJ8jhqMal18+w/gR/W60xMIW51StxlgzKc23PylytwiAk5BB/ob6hgmu91CzVGvULLNq5PLqt9xB8I+aoq9zCw==
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

2026-09-17T09:52:29.729797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086639
observed 3c898e9ff404a7710385d65540ed6f9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:29.711740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086639/manifest.json
observed ffb4b004617abaec003e5549458ad50b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:29.694759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086639/publication.md
observed 24717eba139f0ecd205d9ee34dbaeb4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:29.675574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086639/publication.txt
observed fac791f7c0e5d346dbcb4af73e7c9ede...
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.