OpenTechnical

OT-2026-000071870

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented before set-down

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-2026-000071870) never changes.

Identity and time

Publication numberOT-2026-000071870 · never reused
Internal UUID01a0ae92-1e92-7f50-8985-a9ea5f76a2e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071870
StatusPUBLIC

Content hashes

Canonical textfd20f681ba43187fb6aae8c6faf94431b5ef6880e9df7ccbbe09ef6bc1178aa6
Markdown4f247e50cd937d292510b5fe487323e8bc49c9de18f03ff4471335e96d7a99dd
PDF
Publication page04ddd5d981ccf18d19c5d9dccd497a5285ffe7fea269a6733db7823d132d85b8
Manifesta91bfd164305d9850e9037387029db183940ee4e455738ed34d0f7c618b1d965

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
SignaturekHdnMs1gKNojFrIWOZNRpuZWe5yhtd7KRMiKHdNO7gQs5tcCWw3nXqm28rAp0FA19UvsWBU6MUppVEsOwJiXDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:34.305556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071870
observed 04ddd5d981ccf18d19c5d9dccd497a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.288676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071870/manifest.json
observed a91bfd164305d9850e9037387029db18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.271308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071870/publication.md
observed 4f247e50cd937d292510b5fe487323e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.253379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071870/publication.txt
observed fd20f681ba43187fb6aae8c6faf94431...
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.