OpenTechnical

OT-2026-000015542

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000015542) never changes.

Identity and time

Publication numberOT-2026-000015542 · never reused
Internal UUID01a0ae6d-ef4b-7020-9929-c7e40374bf4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015542
StatusPUBLIC

Content hashes

Canonical text35f421f7d24d66cd1646aedb46c6c8d0acfc3aa745bfce3d752878f81e85f70f
Markdowna1bbb11a065ed564d7efcc664619d6d692d67d36bdea96329cad9bd144417379
PDF
Publication page0ffd463860064716e1e815b62746264d8ad02b680476405959755083a557ebf2
Manifest8f9e769cf1f7d405a5fef253693f80d78c67dcfe5dfeb2c8894e094ba2d14321

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
Signaturei8f161om7sPBhGNRT7J/2bdWmpH/UFQPeemdbP7kfNofSVh83WaN4mO1urn0V69GgQ6Uw3aflFhP6jAk6BBpBA==
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

2026-09-17T12:06:19.481915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015542
observed 0ffd463860064716e1e815b62746264d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.462656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015542/manifest.json
observed 8f9e769cf1f7d405a5fef253693f80d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.442735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015542/publication.md
observed a1bbb11a065ed564d7efcc664619d6d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:19.422367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015542/publication.txt
observed 35f421f7d24d66cd1646aedb46c6c8d0...
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.