OpenTechnical

OT-2026-000079609

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, sustained 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-2026-000079609) never changes.

Identity and time

Publication numberOT-2026-000079609 · never reused
Internal UUID01a0ae96-0b92-7905-9d26-624b0164995a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079609
StatusPUBLIC

Content hashes

Canonical textf7dd3a34a2ae4c5bb9ac1f99229cfb33de0eb4c7305f8b8dc1bb29b6cf03b854
Markdownfb5e15c31e524abcb71fdc8cb665d18f982d7ba74225409e79b0da489a0d092a
PDF
Publication page42a9ad57c6640746356dae7673b4ab30bd1d2fb9eb7ab0fef50d901538a33a9e
Manifest27ea75dbe69414aa0e345400b3df130810f0d45993e700dc53fffc91ce86b043

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
SignatureH5opsGzgd8BSFnUbDPgl0sNQyFxvLek7i9TX/WOeKxSwZDCn8+qnYqGVWCAyNuwewGG5luV7TWBeZuuTeapJAQ==
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

2026-09-17T10:05:16.218707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079609
observed 42a9ad57c6640746356dae7673b4ab30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:16.199811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079609/manifest.json
observed 27ea75dbe69414aa0e345400b3df1308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:16.175592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079609/publication.md
observed fb5e15c31e524abcb71fdc8cb665d18f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:16.153108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079609/publication.txt
observed f7dd3a34a2ae4c5bb9ac1f99229cfb33...
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.