OpenTechnical

OT-2026-000026959

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000026959) never changes.

Identity and time

Publication numberOT-2026-000026959 · never reused
Internal UUID01a0ae72-3452-7a6d-97f7-3003408ae152 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026959
StatusPUBLIC

Content hashes

Canonical text1c870dd27fc0ddc9ed8007812167fb2a2f142ba64b1d9f1806a5bfc7772e9aa2
Markdowne2519d93eb358a71f27c210c74e89bb5f22d321825b03fde08f64cc137da15fd
PDF
Publication pagec150a7504d0f541f55504daaf854bcf81a1050da0dd794e7821626834838a8b0
Manifest400ad39e613c8057fbabd295991dc70d19ee0db093e7426e68723e8b129f0b57

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
SignaturecZWdr+o2TCRct1+CtOSesffCngjSRzWx9TN03x7ncj15u8zVynTSeQX1Bzg4Ywxph6kAGtabQWV3UFcsEiRXDA==
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

2026-09-17T11:43:34.866785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026959
observed c150a7504d0f541f55504daaf854bcf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.851066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026959/manifest.json
observed 400ad39e613c8057fbabd295991dc70d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.835620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026959/publication.md
observed e2519d93eb358a71f27c210c74e89bb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.819492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026959/publication.txt
observed 1c870dd27fc0ddc9ed8007812167fb2a...
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.