OpenTechnical

OT-2026-000100994

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000100994) never changes.

Identity and time

Publication numberOT-2026-000100994 · never reused
Internal UUID01a0aea3-c377-758b-aa54-2c0e6088e553 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100994
StatusPUBLIC

Content hashes

Canonical text98ea5429a1d0ec46b90631aa67fff9a412cdb93a3b99deb6007563595f875f5e
Markdowneb0fb9867e61f8fedec14f38c093254cd9707d26c21f7639727cdbdf49098b37
PDF
Publication page487d612a35a79d03240ea1ac56413878acf55b4d2cb7f105ad77f7e62f5a58d2
Manifesta647071564bbf5498a10100c715f2e51c94c11716a41224db9edc9c28493a916

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
SignatureAM5MIVJ0qB7BaokY4fW2sTqFC16RE/nkklVPqiGuR5E2M5TIvNaotfEs2fQEqlSn5SFi+A8eQMD0hzlrUDKWAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:35.600876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100994
observed 487d612a35a79d03240ea1ac56413878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.582897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100994/manifest.json
observed a647071564bbf5498a10100c715f2e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.565452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100994/publication.md
observed eb0fb9867e61f8fedec14f38c093254c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.547636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100994/publication.txt
observed 98ea5429a1d0ec46b90631aa67fff9a4...
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.