OpenTechnical

OT-2026-000088241

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump 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-2026-000088241) never changes.

Identity and time

Publication numberOT-2026-000088241 · never reused
Internal UUID01a0ae9b-1aa9-7384-9e32-82c36a3b3b6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088241
StatusPUBLIC

Content hashes

Canonical texted1e38f659df3db76b359183c405c59405c1a95bb04bee1ed78084bd7c764322
Markdownf345695caae73d74e0395242469927c044b7e25d9af7271e84ef3ee16fd2510b
PDF
Publication page34aad07518b14826f992295bacf3116241d4178c1924f4de04c7c8f880316df3
Manifest5ba6fdfd73bca66e97b17f8866ece566225691ecac2394b7603f9e69bbcabcea

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
Signatureyu4vOEqTkLm/NjRLG4sy6n0iOw7oq9LravkIk0wDduntxyAL81DgTdKkHS2UuBLZ4Qg7jvt3QpIIOStGHV0TCA==
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

2026-09-17T09:50:20.721600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088241
observed 34aad07518b14826f992295bacf31162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.700755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088241/manifest.json
observed 5ba6fdfd73bca66e97b17f8866ece566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.683411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088241/publication.md
observed f345695caae73d74e0395242469927c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.664327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088241/publication.txt
observed ed1e38f659df3db76b359183c405c594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.331290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088241
observed 34aad07518b14826f992295bacf31162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.310909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088241/manifest.json
observed 5ba6fdfd73bca66e97b17f8866ece566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.290615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088241/publication.md
observed f345695caae73d74e0395242469927c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.271921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088241/publication.txt
observed ed1e38f659df3db76b359183c405c594...
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.