OpenTechnical

OT-2026-000026817

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line 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-2026-000026817) never changes.

Identity and time

Publication numberOT-2026-000026817 · never reused
Internal UUID01a0ae72-3451-7f91-bf69-91b32b3e75ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026817
StatusPUBLIC

Content hashes

Canonical text38c5f1bb4fdeddda51a856d9a0a7faf1168ba17e56d89a86b6277c37d02c4872
Markdowndabd73b9235fe1751b2741d14bc3d8a6cec46ae9ea5a509e230193dd2551929a
PDF
Publication page5b218438afdc834d55656169b0faf37ca241814071f982b9e86a51ac3b3d2061
Manifest3b03c302ecb601fabb83e7fa92deb25c892274a723fa1d0f02d98e36f7de7d79

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
SignatureYeL0PKzaDnpdr/rUcxv7ATGRlvHxpZPuQbRtELNBxbJhX87QVtRJD5kEMUNrQmc5A5OIFKFv+HUoSfTp5kX1CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:23.912904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026817
observed 5b218438afdc834d55656169b0faf37c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:23.896525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026817/manifest.json
observed 3b03c302ecb601fabb83e7fa92deb25c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:23.880951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026817/publication.md
observed dabd73b9235fe1751b2741d14bc3d8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:23.863519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026817/publication.txt
observed 38c5f1bb4fdeddda51a856d9a0a7faf1...
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.