OpenTechnical

OT-2026-000090161

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold 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-2026-000090161) never changes.

Identity and time

Publication numberOT-2026-000090161 · never reused
Internal UUID01a0ae9c-428f-7396-93ab-ceb9e17c6594 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090161
StatusPUBLIC

Content hashes

Canonical text80f144f8de77261954453281ea1b9d69231fd98f5352651dd81c050eca53f58a
Markdown9749484514c8fcdbbbbfefe502db42fc05a6a74c228e8fc67134a5a316aa8f1f
PDF
Publication page92f196ea610117657b29d7c7d8b9d27adf1d633d1e73866adee3e7909f227577
Manifest8ed37de1f0b299a2846e5b07ce7967d907eecbc81e19bca6bcbaffebd19a05e2

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
SignaturebXEiDp+ZCc5FYH8xBkrmpGZI/bPscrCecmGnOwfWZyh5ZIwzStciH3miPpJxlWoYO2kKyoQN2fqne6wD8ijBCw==
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

2026-09-17T09:45:40.743490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090161
observed 92f196ea610117657b29d7c7d8b9d27a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.727247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090161/manifest.json
observed 8ed37de1f0b299a2846e5b07ce7967d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.710686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090161/publication.md
observed 9749484514c8fcdbbbbfefe502db42fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.693383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090161/publication.txt
observed 80f144f8de77261954453281ea1b9d69...
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.