OpenTechnical

OT-2026-000016200

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, pulsed 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-2026-000016200) never changes.

Identity and time

Publication numberOT-2026-000016200 · never reused
Internal UUID01a0ae6e-2d11-76a7-9e02-13ce7ec7e419 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016200
StatusPUBLIC

Content hashes

Canonical textec92ce3d2fcae83d51e1cf46eba143c6044ab3fd53f4595cc2180faa0b311db2
Markdown167407d42822380cdb9d231be85702142c3c57e7a07cc50b106cd6bd0f19ac08
PDF
Publication pageb22280a5c6cc6287631e0bd440db2eb84a39637e540e5d79bee55e2d3166daac
Manifestb924b3519df95e0acb2151a4d0834ff177eb31c7762a8670ea009f4622d72727

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
SignatureFJlDwridS5Bt0outm8Zn9peCPAfqKW9pG2Xz4JV0qvcxKC6+06YHdQmk41rvE4E34NUUMfX3RHG5K0NfZy7+Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:03:39.507917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016200
observed b22280a5c6cc6287631e0bd440db2eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:39.490461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016200/manifest.json
observed b924b3519df95e0acb2151a4d0834ff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:39.471968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016200/publication.md
observed 167407d42822380cdb9d231be8570214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:39.453805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016200/publication.txt
observed ec92ce3d2fcae83d51e1cf46eba143c6...
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.