OpenTechnical

OT-2026-000043864

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000043864) never changes.

Identity and time

Publication numberOT-2026-000043864 · never reused
Internal UUID01a0ae7b-d677-7195-8ca8-41ada18c1dce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043864
StatusPUBLIC

Content hashes

Canonical text83570974552cd665a00e06182da47b24d6a61a9d3acb5226d80f91cd8ba76c57
Markdowne1b40dcb755220837fddae196b6f9bf18c649780c4590f7ecea187e4510ac32e
PDF
Publication pagead449f0e25e0e79841d4e9f64fed9d2697ed897cae1ff876d4063bcff6b48b24
Manifest050e90efd95005b44fac33c07a38c232bed2bfa2c1f9a066603d6e0ba6e712b1

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
SignatureiPfrMdpzBsvPb6oEhLmfzG4Td1tQYM3e4+Lhg0GObBxXih9/6MDHzsfehFZQJCyyXKNFV7GntmyD+fBAhHGsBQ==
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

2026-09-17T11:12:11.180215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043864
observed ad449f0e25e0e79841d4e9f64fed9d26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:11.158795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043864/manifest.json
observed 050e90efd95005b44fac33c07a38c232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:11.140962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043864/publication.md
observed e1b40dcb755220837fddae196b6f9bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:11.120334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043864/publication.txt
observed 83570974552cd665a00e06182da47b24...
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.