OpenTechnical

OT-2026-000080319

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000080319) never changes.

Identity and time

Publication numberOT-2026-000080319 · never reused
Internal UUID01a0ae96-7e77-77e2-8c63-ea96975a3586 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080319
StatusPUBLIC

Content hashes

Canonical textd581176124abe3daf8c44f637f15be4a7741dcdd962d2f6f19c85e0ffff2721d
Markdown477b77ddcfd52b8d5ddb5c7609fc043c27c99693cd8a253d1ac25e19d7aaabc0
PDF
Publication page0f10bb489222270e35002fc1b61626b93b4610255cc502bf084db38b1481fc94
Manifest92305fa553f46deb949311423ef9174ba49817898cc5656425a8596ef5def372

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
Signaturewi4KZE04xK81y1kS+wcStJjQ2tiTV2yxkiBQBI0A3Zrpg0CUtxXCJrSnRV22ZxLoc2FuZFHovgfAt07zAkPrCw==
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

2026-09-17T10:02:47.443542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080319
observed 0f10bb489222270e35002fc1b61626b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.425637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080319/manifest.json
observed 92305fa553f46deb949311423ef9174b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.408534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080319/publication.md
observed 477b77ddcfd52b8d5ddb5c7609fc043c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.391232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080319/publication.txt
observed d581176124abe3daf8c44f637f15be4a...
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.