OpenTechnical

OT-2026-000089971

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089971) never changes.

Identity and time

Publication numberOT-2026-000089971 · never reused
Internal UUID01a0ae9c-428e-7307-9a75-ab8cdbc0fa1c · 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-2026-000089971
StatusPUBLIC

Content hashes

Canonical text924e675ed1c8a1674b7b6d064474cac3de7f93b0a4e41b9842b1fe63ae6aad43
Markdown34d6cfc2f17ecee30d7c70f7edddceecfc2690a3e1a033b8fcdf167328ad6b2e
PDF
Publication pagebed3c1d6f564b849fb5fb43b0e982d00e1a124b0c78dfab3e4c3bb2c05d24b64
Manifest8112c1ecafe9dd8e80396d6f8abd6c7a29f22a1586987b753b3c845df915ff3c

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
Signature9fp85rGnxbst1h5MaoWjjxf6xDZgA2imC6A6oONNThXbSMMAMpxFlMmQMwfKFS+HRIBa017GIo9VkP/pzlJnDQ==
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

2026-09-17T09:45:21.542065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089971
observed bed3c1d6f564b849fb5fb43b0e982d00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.524554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089971/manifest.json
observed 8112c1ecafe9dd8e80396d6f8abd6c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.508790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089971/publication.md
observed 34d6cfc2f17ecee30d7c70f7edddceec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.491399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089971/publication.txt
observed 924e675ed1c8a1674b7b6d064474cac3...
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.