OpenTechnical

OT-2026-000068328

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000068328) never changes.

Identity and time

Publication numberOT-2026-000068328 · never reused
Internal UUID01a0ae90-2480-74da-bf3d-3c0498abc353 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068328
StatusPUBLIC

Content hashes

Canonical text39b06847c3758ca97ceeebf4689248d3f66bc9a9329817b485a0fe50484a8c72
Markdown71d4b732d3c2d916a1704f23f5bca65dbbdfcaf46c04fcb716e4faa28d20ac1c
PDF
Publication page65095b581de3de43fdd4c5bc0bebac5f2d933be94c8c83457d0dab25524494e4
Manifestf585bb4fd3f2efda60707c6a08e028f29bbfeb1d15529b3e0ad9150aa317470f

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
Signaturem3bIKMMjJUDrHR7E+xpc/KGNVEQY/Cufg+d4krSvfLiD0syKsTbFP7xdKyuz4Gs1cTH/2vZAkCLsHooa47QRBg==
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

2026-09-17T10:29:22.142315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068328
observed 65095b581de3de43fdd4c5bc0bebac5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.124934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068328/manifest.json
observed f585bb4fd3f2efda60707c6a08e028f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.107681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068328/publication.md
observed 71d4b732d3c2d916a1704f23f5bca65d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.061142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068328/publication.txt
observed 39b06847c3758ca97ceeebf4689248d3...
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.