OpenTechnical

OT-2026-000087217

Publication integrity record

Foam pad vacuum gripper, two zone face, six 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-2026-000087217) never changes.

Identity and time

Publication numberOT-2026-000087217 · never reused
Internal UUID01a0ae9a-9f2e-7921-b4c2-305b427845c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087217
StatusPUBLIC

Content hashes

Canonical text4d60eff6d31a1a47e0fdc0dd0a3fc6b86611fb05e97b9dc54c8c62b318c321f3
Markdowne9270b86e098772c244c161836644b007ba44c339a82ed2daf43729e7bb4b133
PDF
Publication page6fe560c2877d739f4c4a16a1a65325b684519205d77d983f185f04ede8ff6ab0
Manifestd8db456337710026e0eee931fcda179e8b00d0ec96b0d5c78292ba0aed7aa859

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
SignatureiKsIPh7POckZcMKsiPFu6vRitAczE+VKikG76oHLYEekZY7ZlxsmpvGGOwqC4aouluZvdRcGRCKLupJLZ9ASCg==
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

2026-09-17T09:51:29.895682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087217
observed 6fe560c2877d739f4c4a16a1a65325b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.878567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087217/manifest.json
observed d8db456337710026e0eee931fcda179e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.862244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087217/publication.md
observed e9270b86e098772c244c161836644b00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.844137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087217/publication.txt
observed 4d60eff6d31a1a47e0fdc0dd0a3fc6b8...
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.