OpenTechnical

OT-2026-000103312

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000103312) never changes.

Identity and time

Publication numberOT-2026-000103312 · never reused
Internal UUID01a0aea4-be3f-7517-8010-41ecf78fd52f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103312
StatusPUBLIC

Content hashes

Canonical text9bb12de33b9cc29d48da13c8d9e7018d0eb1e60d0babc67129e900da5a201534
Markdowna82b102324f88045f60a10c2b21c22d52f04ed1b1d13b9045a107d28a99ce18a
PDF
Publication page60fe5079007b8a4c5c26af8b2a781f041781b1fb0448c4c0c36f46490e6f6e10
Manifest9ce56acd22bd37e3f7ab005fc2b703f61639b7edf79aac2aede0de7df8900a40

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
Signature4EMQj+bQTQjHxEOQm1VzqJCfaNhA6GtyJrSunCBrB56VTZ4YegSZYvNsTPbvSWYXoZ5JZECTni8XwOpFBXXhAw==
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

2026-09-17T09:23:33.669186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103312
observed 60fe5079007b8a4c5c26af8b2a781f04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:33.647862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103312/manifest.json
observed 9ce56acd22bd37e3f7ab005fc2b703f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:33.627741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103312/publication.md
observed a82b102324f88045f60a10c2b21c22d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:33.608023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103312/publication.txt
observed 9bb12de33b9cc29d48da13c8d9e7018d...
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.