OpenTechnical

OT-2026-000103430

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pulsed blow-off after 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-2026-000103430) never changes.

Identity and time

Publication numberOT-2026-000103430 · never reused
Internal UUID01a0aea4-e460-7944-91f6-ac0cbcaf340f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103430
StatusPUBLIC

Content hashes

Canonical text9ce7d0b8aefd22b846cdfeaf3f69084de9a5654b7d47d74c2a91d564bda4772e
Markdowna5e0796b5f7b875183a956277641586caa3c88c199de6bb83ed82283555094e2
PDF
Publication page28c05b83e38655cda31a4c5495d8a4dbf8fdf5ad0b52273dc2e0ba6a211b9f18
Manifestef4250e913f0759fa0e95f917db060217911492eaa0c79394f7304d9c0a1e348

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
Signature40ChjoemE/93Oih5nEYP62KyQFMAqLonBobn04DglyczPXwF5KukyZ+MPtDsOddt0d3tVaHoSemSSWwUREQvBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:10.843247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103430
observed 28c05b83e38655cda31a4c5495d8a4db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.826291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103430/manifest.json
observed ef4250e913f0759fa0e95f917db06021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.809765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103430/publication.md
observed a5e0796b5f7b875183a956277641586c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.792723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103430/publication.txt
observed 9ce7d0b8aefd22b846cdfeaf3f69084d...
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.