OpenTechnical

OT-2026-000019283

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, 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-2026-000019283) never changes.

Identity and time

Publication numberOT-2026-000019283 · never reused
Internal UUID01a0ae6e-f392-7862-92c0-8c504caa9129 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019283
StatusPUBLIC

Content hashes

Canonical textae5adf6f5ff98791aa470d1b04831495c5f49ace3e9b61986b5eddf75986e99b
Markdown01080c25df773b5689df30c093ab1ad9f37dac212b11d3beb890ba821343d747
PDF
Publication pagedd405fe38997f5841fa2c687eccc0a896f94f017accac09ba59b1f0da748bf7f
Manifestee2c912454cc9a2d2893058b0710c37980fb607a5e565880e6e1283069a9ce52

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
SignatureS/JltN853JdQAQN5sgTjMkNrYRFfBEDqhF9X7NHOCdsFVm7KFAztIJie7KpHK7JkkE32Lu4IGiJyX0z+o+xmCQ==
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

2026-09-17T11:58:37.997859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019283
observed dd405fe38997f5841fa2c687eccc0a89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:37.977757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019283/manifest.json
observed ee2c912454cc9a2d2893058b0710c379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:37.955142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019283/publication.md
observed 01080c25df773b5689df30c093ab1ad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:37.935948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019283/publication.txt
observed ae5adf6f5ff98791aa470d1b04831495...
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.