OpenTechnical

OT-2026-000041516

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000041516) never changes.

Identity and time

Publication numberOT-2026-000041516 · never reused
Internal UUID01a0ae79-e89f-7d92-94bb-fa4673d4a4d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041516
StatusPUBLIC

Content hashes

Canonical textf4dd62b4db0a956db5edc6313b8c8c6e1d58760e51d849c14cca5c5783cea1fb
Markdown6bee89100f699f14abe18d3e800bece359d6200804d61c287b816d1c9cade14d
PDF
Publication pagecd983035a2aa49f686d325fdd4f9e45b848ede0f2e534b56b4e923327a85732d
Manifest91b37312857bcdbf871047f6a4564745a94a084ecc3bc68b182718a615a778c0

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
SignaturedZC2kJw7PgUpnf6iAyXwlAddXR5fuYnc4kTKhIhTaSosp8DbpeHkVzTd/+ktWlc3AMsa6Uh/dCX828gcmTpiCw==
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

2026-09-17T11:16:17.126096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041516
observed cd983035a2aa49f686d325fdd4f9e45b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.107973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041516/manifest.json
observed 91b37312857bcdbf871047f6a4564745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.090046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041516/publication.md
observed 6bee89100f699f14abe18d3e800bece3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.071988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041516/publication.txt
observed f4dd62b4db0a956db5edc6313b8c8c6e...
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.