OpenTechnical

OT-2026-000079603

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-2026-000079603) never changes.

Identity and time

Publication numberOT-2026-000079603 · never reused
Internal UUID01a0ae96-0b92-735e-ba34-1bd81d679893 · 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-2026-000079603
StatusPUBLIC

Content hashes

Canonical text1599aef4ffb79715b56c02b5aafd6a97c3da9cded035b34a11883c8848b3bb4a
Markdownd6cac57a578747dbce0306cb42fef8f6d79ff4a58493f8c44be60fcd21559f16
PDF
Publication page5f399a9f98e5606a06d9804584dcac1a4ff4dc7ecd6690e199e061f3bb48ff03
Manifestdfd19060fe4d73ca13e90253f1581fb59f26c9743e7e7ade6db573e6354b5689

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
SignatureKm+NqxONSga4jtkg5/xT0yC0Kevn95EMoy9fKoX5ZW8Ju52C1QiV3KsWQXHQ+bhGGUQX5+0QXEhCylyw63xPCg==
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

2026-09-17T10:05:15.836312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079603
observed 5f399a9f98e5606a06d9804584dcac1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.818898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079603/manifest.json
observed dfd19060fe4d73ca13e90253f1581fb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.801747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079603/publication.md
observed d6cac57a578747dbce0306cb42fef8f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:15.783910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079603/publication.txt
observed 1599aef4ffb79715b56c02b5aafd6a97...
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.