OpenTechnical

OT-2026-000013314

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two 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-2026-000013314) never changes.

Identity and time

Publication numberOT-2026-000013314 · never reused
Internal UUID01a0ae6d-6fc9-7486-9b34-7b550a2e3838 · 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-2026-000013314
StatusPUBLIC

Content hashes

Canonical text9c7736696248999623e22b87a242dc4b44a6e0fcafb34f9cfc9d65c9cbe249a5
Markdownc4a568dd60fd921bd401e51fcc863eae1a34920407a290a1bff07b68448a823c
PDF
Publication pageb2000ad9d036b4ea8d99b681acea1f59facaf04b471f9a5cac6b64c7a961c9d4
Manifest1482d5f8c4b12ac014cd5ae0ef28f6ac4ab5e4d008001f12fc9f23491175abad

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
SignatureAmSryrB2FdSd/5djrwYSYQv/yc7UnP063yiAGK4XrxG52iiQTCEbGq3hxP512rph+3Cku7dXXSk0l/LuVmeJCw==
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

2026-09-17T12:09:44.748150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013314
observed b2000ad9d036b4ea8d99b681acea1f59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:44.728495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013314/manifest.json
observed 1482d5f8c4b12ac014cd5ae0ef28f6ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:44.708694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013314/publication.md
observed c4a568dd60fd921bd401e51fcc863eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:44.688614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013314/publication.txt
observed 9c7736696248999623e22b87a242dc4b...
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.