OpenTechnical

OT-2026-000091796

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091796) never changes.

Identity and time

Publication numberOT-2026-000091796 · never reused
Internal UUID01a0ae9d-43ba-72a6-847a-849c9d44177a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091796
StatusPUBLIC

Content hashes

Canonical textcf20844c36235bc1cceb1f5d30553983c7a59cdee0f8cd53134e28b7decb694a
Markdown8b83b83f0d0755e7d604eb53eec0fe0234b155c2edb4396b119c2ba895423413
PDF
Publication pageb849d42ef4395ace9e3a5cd080df64d42a35aae08e10232057c37171f1217a48
Manifesta7daaf4d1dfd1c4a3be03dce064973a65c02fe7f14db8be56875bd579600e54d

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
Signature0oPrLv+NlSAHctEMxSjqINI3cQU9qLwl9z9fzSv3VVYHrad/hDUcDQLkUGwTw8L0twTdwkR2T9TnYZ2atu4EAA==
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

2026-09-17T09:42:41.778986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091796
observed b849d42ef4395ace9e3a5cd080df64d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.761519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091796/manifest.json
observed a7daaf4d1dfd1c4a3be03dce064973a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.745137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091796/publication.md
observed 8b83b83f0d0755e7d604eb53eec0fe02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.726998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091796/publication.txt
observed cf20844c36235bc1cceb1f5d30553983...
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.