OpenTechnical

OT-2026-000081348

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, vented after 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-2026-000081348) never changes.

Identity and time

Publication numberOT-2026-000081348 · never reused
Internal UUID01a0ae96-f374-7a2a-b672-27c9ba8eca37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081348
StatusPUBLIC

Content hashes

Canonical text63e84adbc5d02f08e7b1cc3967c0294b020ca68ed9e9e5d284e82a26b9d1ef97
Markdown011b53fa33498f1f58f2dd1767285642bbdf92963521f022e9d4d0dfa32711eb
PDF
Publication page1784a76c939a813518634fd0539a9029009dfe6e2a2333a9232b72eda9bf5cb8
Manifest871229100fd2cbbccfd63eb79b7ef48c6fc4086a11d588355c52f07b479ef301

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
Signature5vas/bNBzX3MULrnsgLwONhtjKckMQSsV7vmQx+l7u3KIoW/etQ1TuBynrAs9meQX2+FqURXVO3zZnXnKTHHDg==
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

2026-09-17T10:01:28.555349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081348
observed 1784a76c939a813518634fd0539a9029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.538237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081348/manifest.json
observed 871229100fd2cbbccfd63eb79b7ef48c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.516255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081348/publication.md
observed 011b53fa33498f1f58f2dd1767285642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.499487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081348/publication.txt
observed 63e84adbc5d02f08e7b1cc3967c0294b...
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.