OpenTechnical

OT-2026-000073543

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single 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-2026-000073543) never changes.

Identity and time

Publication numberOT-2026-000073543 · never reused
Internal UUID01a0ae92-efb9-731b-9855-740969d102cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073543
StatusPUBLIC

Content hashes

Canonical text1d7ea6ab8181da856834540a3a448e9a33a560a8c7da04f0a9a83532793fe020
Markdown2894347bf5e5c9f822cdf2eaf909ee4c842383407c5b0ff56e04039a15fc13b5
PDF
Publication page724829fc8b9fef7276e0026a48bb294467492aed96595934e40573a1aeb2db53
Manifest3440b88c3c734a8f257642515ded20bd847b058f98c22ce8fe71cd152b8597a5

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
SignaturesJJG2FVRUeL4hc0pRbXRj7KP0HDi0gToHXaCD/QnbWBsP8MctrxwBXRwVlh31uzJYtxl2TCCDRWWcRZy3N94CQ==
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

2026-09-17T10:21:42.949502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073543
observed 724829fc8b9fef7276e0026a48bb2944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.932134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073543/manifest.json
observed 3440b88c3c734a8f257642515ded20bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.914526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073543/publication.md
observed 2894347bf5e5c9f822cdf2eaf909ee4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.897221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073543/publication.txt
observed 1d7ea6ab8181da856834540a3a448e9a...
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.