OpenTechnical

OT-2026-000028795

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off before set-down

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-2026-000028795) never changes.

Identity and time

Publication numberOT-2026-000028795 · never reused
Internal UUID01a0ae73-2252-7bd6-8eb0-d798294a2d89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:36.158293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028795
StatusPUBLIC

Content hashes

Canonical text503402ca0836990ab5e1eb782a2d72485edf772700fd40308bfaf4ef5e560f2e
Markdown4f1540265b894dc160fede92d5d73d69e4dcbfc09f9656e57abd122ae7ad2de7
PDF
Publication page453d5c5391157c9230f8306ca203a095c9530485eaafcf7b100e42d85b9d66c6
Manifest22a3b7a3bb42f9efd17406400718c4b8a27622ba6880a2d8802aeaf7d9fef181

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
SignatureAO6opW2IQMRWMGadSmcdcH4ddaBxM0an9Xy2yVCJshe1xXJRuJNbhGwPkxFY3b6kkF/kTQ8bRMjcRRHYTau5CA==
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

2026-09-17T11:40:03.030256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028795
observed 453d5c5391157c9230f8306ca203a095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:03.011553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028795/manifest.json
observed 22a3b7a3bb42f9efd17406400718c4b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:02.986667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028795/publication.md
observed 4f1540265b894dc160fede92d5d73d69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:02.961805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028795/publication.txt
observed 503402ca0836990ab5e1eb782a2d7248...
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.