OpenTechnical

OT-2026-000017746

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000017746) never changes.

Identity and time

Publication numberOT-2026-000017746 · never reused
Internal UUID01a0ae6e-96fa-7e99-bd0b-5d54e42c6487 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017746
StatusPUBLIC

Content hashes

Canonical text2fa5541c62e7c8f9f57b8d4dc41f25a69b8f8c9cee3bf70a358684fb00285dfc
Markdown44f7ac56b3b731622ae47b1f58deb3bfa2c1ac78287d480a80a2a0c30254bdc0
PDF
Publication page131c65a2f4b599bd57bc7164170f047a87a9abd658d7c6cfab8eec6697184c03
Manifeste73c42045579ee19605350ccea7b06791afd611cc81b407601eb7428b5878c76

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
Signature0S7K/lWvot1oS4K2CUaLz6ZllDxj1ReVcpdNByM6dS6PlTpJkpO6lNGBmEIsD3O10d72ReGstU/Oy7Ly04gRBA==
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

2026-09-17T12:01:41.996959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017746
observed 131c65a2f4b599bd57bc7164170f047a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.980535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017746/manifest.json
observed e73c42045579ee19605350ccea7b0679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.964233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017746/publication.md
observed 44f7ac56b3b731622ae47b1f58deb3bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.946931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017746/publication.txt
observed 2fa5541c62e7c8f9f57b8d4dc41f25a6...
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.