OpenTechnical

OT-2026-000088275

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000088275) never changes.

Identity and time

Publication numberOT-2026-000088275 · never reused
Internal UUID01a0ae9b-5d26-7fc8-83e1-a92fa3e48c50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088275
StatusPUBLIC

Content hashes

Canonical text2197d6036d3639f2ade837ad45ab77a60d96f7fb266c11740e92cb5e706f517e
Markdown667fb211145ae143e4ddc2e283d8a70d7a60b1cda2fd04fd52a6abfdb539b248
PDF
Publication page8ec0d770296214ae4dc878ad666cf8886f1c3e1f753251f5762e397895de9aa8
Manifest49ce4fae27d642a6081eb6d14f27ead34de34b541705a71e6ed8e6e9cfd48548

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
Signaturex4Kw0P3Is9luCumYlPpghdMr3+ovLFCSWI9+GFHr8kd/qd9PGbVj40nemu2SkzjhLevZehcxgmu207BGgT5gDA==
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

2026-09-17T09:48:35.127056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088275
observed 8ec0d770296214ae4dc878ad666cf888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:35.109846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088275/manifest.json
observed 49ce4fae27d642a6081eb6d14f27ead3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:35.093909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088275/publication.md
observed 667fb211145ae143e4ddc2e283d8a70d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:35.075760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088275/publication.txt
observed 2197d6036d3639f2ade837ad45ab77a6...
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.