OpenTechnical

OT-2026-000089158

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000089158) never changes.

Identity and time

Publication numberOT-2026-000089158 · never reused
Internal UUID01a0ae9b-db00-7060-a738-82d6a97e8a06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089158
StatusPUBLIC

Content hashes

Canonical text740f01026f0b388511bd29247c4526d6252307b71fc5973023079713d7300757
Markdownfa3a5ac818f6a6a92757a30a140bcf3ba0ed66b1b132f79c431323508cfb1f51
PDF
Publication page297ef0e2da17d706e0c1e8dd5b4b6e8a639b3cf750200b537d2ccf1a7a2419c4
Manifest7deb2b7daa51f12cb818ee92d041cdf7d3754a1160bc75f87c39412b4d105ed9

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
SignaturerHQ5iIy69WjcA4aq3lVb+OeaibJF//Euhfk4BG0voWPTF8ea+a6LeGSu64Cv10DCPaecG5K0DPA7tzNV90GPDQ==
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

2026-09-17T09:47:04.985889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089158
observed 297ef0e2da17d706e0c1e8dd5b4b6e8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.968414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089158/manifest.json
observed 7deb2b7daa51f12cb818ee92d041cdf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.950940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089158/publication.md
observed fa3a5ac818f6a6a92757a30a140bcf3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:04.934356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089158/publication.txt
observed 740f01026f0b388511bd29247c4526d6...
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.