OpenTechnical

OT-2026-000019363

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, 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-2026-000019363) never changes.

Identity and time

Publication numberOT-2026-000019363 · never reused
Internal UUID01a0ae6e-f392-7031-aa2d-6ebea65259fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019363
StatusPUBLIC

Content hashes

Canonical text0303e485470b3937540bfa3a63125ce94d67bc34f617d57d663111d24c128b33
Markdown1a3e1a861e2909ba9da387996740d10162509e463a4f78ce68734d143a7dd630
PDF
Publication page5c9655bd995a8d0da5058f9b43a4c2db6fbefe9d4918d20f8ab685c58fa85d22
Manifest04b49ebe0969c694cd3c275540713e1a56b04c12551719155ea29f100fe37386

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
Signature6gzzLUHjoPTA4D2o0/3f8FCHUCMtvZaoDJqhxhGOvJ75GGMdMPgl7lR2eY9aB9MlwQvMx9dJ27c2713YQa8hDw==
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

2026-09-17T11:58:44.580367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019363
observed 5c9655bd995a8d0da5058f9b43a4c2db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.561428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019363/manifest.json
observed 04b49ebe0969c694cd3c275540713e1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.543245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019363/publication.md
observed 1a3e1a861e2909ba9da387996740d101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.526533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019363/publication.txt
observed 0303e485470b3937540bfa3a63125ce9...
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.