OpenTechnical

OT-2026-000022434

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000022434) never changes.

Identity and time

Publication numberOT-2026-000022434 · never reused
Internal UUID01a0ae6f-f4fd-7114-8eab-22d092157a93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022434
StatusPUBLIC

Content hashes

Canonical text0979b3e8a53fec26c7bd95437cfd5adbf398231897d6af043b759a5d1256e9b8
Markdown9892c862e32f45bcb0cb4f703618f1b973a5344958c965f8bb37024173050755
PDF
Publication page02219f5bd6967884b1cfa4dabd69f0feb21a08b7e9a5aeec8843a64d5591427d
Manifestdfb6c2a26e775b075e1700110bcbb5149d1ac241a54beebaab91a6b8d10a09cb

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
SignatureN7cYZHkU/bCAq4QzVLh+RHBsdvs9rTCu5MEkRsfUKAGKUs9nK6+NSXisNOxiTLKvHWEge3s8LAn24KNlAxX1DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:49.561378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022434
observed 02219f5bd6967884b1cfa4dabd69f0fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.544942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022434/manifest.json
observed dfb6c2a26e775b075e1700110bcbb514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.530001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022434/publication.md
observed 9892c862e32f45bcb0cb4f703618f1b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.512335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022434/publication.txt
observed 0979b3e8a53fec26c7bd95437cfd5adb...
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.