OpenTechnical

OT-2026-000084213

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, sustained blow-off before 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-2026-000084213) never changes.

Identity and time

Publication numberOT-2026-000084213 · never reused
Internal UUID01a0ae98-5b60-7d28-88f3-df8dfc627e40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084213
StatusPUBLIC

Content hashes

Canonical text4ab7192fba077eafb487785421b7d1503157635fe5bf20a8486b2efc6f19e3f4
Markdown6ebd8da558d7f0fc34859efa46c1d7e496a0089a347a32059c503845bf6041b7
PDF
Publication pagea2e4c9e065689e6c65846c390c97ed211b905174c8f930db0013c78480299a87
Manifestd48099c2e49a9b9eb241f342426cdd693939828f60a3a3260537c8c715921f4e

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
Signature9kxwPHhSgMTi77LNwdTopySjSIcgc/kM/Lyp20Vg9ntj05mTIC6v3LVyqQ9ZfInQyVwVu1VJgTb1PPuuVSVlDw==
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

2026-09-17T09:56:00.006235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084213
observed a2e4c9e065689e6c65846c390c97ed21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.987996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084213/manifest.json
observed d48099c2e49a9b9eb241f342426cdd69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.970240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084213/publication.md
observed 6ebd8da558d7f0fc34859efa46c1d7e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.949684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084213/publication.txt
observed 4ab7192fba077eafb487785421b7d150...
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.