OpenTechnical

OT-2026-000073677

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000073677) never changes.

Identity and time

Publication numberOT-2026-000073677 · never reused
Internal UUID01a0ae93-2b8c-74c9-8b25-3d8f63a27476 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073677
StatusPUBLIC

Content hashes

Canonical text284a059c8c45620b31e426b122ffeed9de35749ac9efcd5652531f05118fafe9
Markdown0cdb81e4890cd26f03050bf86a7a664f227b409478f6a16950dbe398c262ff2d
PDF
Publication page145ea2e97572aea5b92718e0cd1782b0a6ffee2452b4ce8be4ec030a63b5e5fc
Manifest99280ea10413397344a2a0c15428b9db5b5162b0f8243f045f531c795eafd2fb

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
Signature5N//GO5LTXkT9mJpTy5UUfx7XKNBvgJOyLsM2ycsQiAlNoziv8CAdEkFRYTMtM1iFUo1IMqrwZUE9hMwAiIeDA==
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

2026-09-17T10:19:44.132898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073677
observed 145ea2e97572aea5b92718e0cd1782b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.113002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073677/manifest.json
observed 99280ea10413397344a2a0c15428b9db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.093705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073677/publication.md
observed 0cdb81e4890cd26f03050bf86a7a664f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.072807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073677/publication.txt
observed 284a059c8c45620b31e426b122ffeed9...
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.