OpenTechnical

OT-2026-000079457

Publication integrity record

Foam pad vacuum gripper, two zone face, pump 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-2026-000079457) never changes.

Identity and time

Publication numberOT-2026-000079457 · never reused
Internal UUID01a0ae96-0b91-793f-99a9-a66a6721b7bd · 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-2026-000079457
StatusPUBLIC

Content hashes

Canonical text013ba44ff8f5db4477264d5101068669f417cae5f7b6076c4006e2c36d9cac36
Markdown5f9f9bd697a03de47080c5705782867e43ca98daa4f8b705211689eb56aab0bf
PDF
Publication page77d34cef98084cc60d578b7bbe2f183f50170281ed742dcaf9b3d1113bad15df
Manifest82ef009d30cd392547a8fc178f60ee05f52043f6c52829ad89691b2e3c578417

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
SignaturekzxyfmhEFmjXg3ECwWTepnlr3ZmYSWSZozMgl6B62LFdJoCu79E11h1nu5Fm1tRq/3XimJY67dK1PSTMI+OgDA==
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

2026-09-17T10:05:04.993621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079457
observed 77d34cef98084cc60d578b7bbe2f183f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.975669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079457/manifest.json
observed 82ef009d30cd392547a8fc178f60ee05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.957738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079457/publication.md
observed 5f9f9bd697a03de47080c5705782867e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.939246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079457/publication.txt
observed 013ba44ff8f5db4477264d5101068669...
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.