OpenTechnical

OT-2026-000013358

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000013358) never changes.

Identity and time

Publication numberOT-2026-000013358 · never reused
Internal UUID01a0ae6d-6fc9-7089-9aad-26a5720cce92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013358
StatusPUBLIC

Content hashes

Canonical text4ef1d0c244c94f949a0a9b2d30b1b8ee8f0e20a55805a9616f0c5cfeaf3b8483
Markdownda01d5f82d453058452d295b474913797723602ad4d6697672026ce065abb90b
PDF
Publication page4b51b7e4cbe1303f93a4a9fd99791bc2c424dcb44dbbc69051bf6e815190b071
Manifestcf64f897bedcaa41a13aee22d1cc100062898d0b508ec3d8cb30bbc2e206a80a

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
SignatureoqU+Ih+swlQiYeSiizAiDcGUHoXdCMwZ/jSA+5ec7u4UacUuTdvEZwXSBsivacjrnrJmoYgbHwnl7CCMeTECAw==
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

2026-09-17T12:09:48.634462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013358
observed 4b51b7e4cbe1303f93a4a9fd99791bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.616063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013358/manifest.json
observed cf64f897bedcaa41a13aee22d1cc1000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.587542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013358/publication.md
observed da01d5f82d453058452d295b47491379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.565816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013358/publication.txt
observed 4ef1d0c244c94f949a0a9b2d30b1b8ee...
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.