OpenTechnical

OT-2026-000087805

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000087805) never changes.

Identity and time

Publication numberOT-2026-000087805 · never reused
Internal UUID01a0ae9b-1aa4-7cbc-9e62-e77077ad5548 · 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-2026-000087805
StatusPUBLIC

Content hashes

Canonical texteaa45f54046321b5c30a9344980802bd8f5643df87565dcbc8c1adb462d9b59c
Markdownb43d25fd5ca226e07b4d94db3da6ccac4af92468f1a69a82a3f546142cc8aa91
PDF
Publication page496141eee7cc5e4d830b4205d28913a2ed9322a798c3d3fcfc16a30a82a42fc2
Manifestffd38985744536d806a3881fcd256d26ea838d94a21a218e6e7c65058d4534ed

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
SignaturecmYkThn4hUTVvSEUcc5lzPWXIEqnRDuyMRY3p+1kp+wUC6X8gbgD/ryGQG99g6UeGJIdKfO3ETdHpdesENPHCA==
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

2026-09-17T09:49:00.484902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087805
observed 496141eee7cc5e4d830b4205d28913a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:00.466544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087805/manifest.json
observed ffd38985744536d806a3881fcd256d26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:00.446429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087805/publication.md
observed b43d25fd5ca226e07b4d94db3da6ccac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:00.428739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087805/publication.txt
observed eaa45f54046321b5c30a9344980802bd...
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.