OpenTechnical

OT-2026-000088800

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000088800) never changes.

Identity and time

Publication numberOT-2026-000088800 · never reused
Internal UUID01a0ae9b-8f10-7843-b047-58ff251a894c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088800
StatusPUBLIC

Content hashes

Canonical text2d690e99c7332b88a88f02155b87249c12fd6a8067a3de4b7f08fe8e2e6cbb67
Markdown75a4695fe381506c016f39c5adc0666c86bea592de7fb0e2474bfdb8c9c0b501
PDF
Publication page1b21a496e1d1c65d35081527cd1adcf6e9bc9721597cdf4473463949d606e58d
Manifest73ee35e46f692745d11dd086d16c8bcb275b6935cb4862f57760972d2dc95b9e

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
SignatureJ0gSE8zr/lUnJuQHcF+q6oT+ak81u0Subobqgcd5qNygE5RIFRL+Ou52AWK/nMiTUaPz6XARa3wvMhpHs1YSCA==
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

2026-09-17T09:48:10.835857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088800
observed 1b21a496e1d1c65d35081527cd1adcf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:10.817362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088800/manifest.json
observed 73ee35e46f692745d11dd086d16c8bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:10.797747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088800/publication.md
observed 75a4695fe381506c016f39c5adc0666c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:10.778903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088800/publication.txt
observed 2d690e99c7332b88a88f02155b87249c...
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.