OpenTechnical

OT-2026-000068198

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000068198) never changes.

Identity and time

Publication numberOT-2026-000068198 · never reused
Internal UUID01a0ae8f-c4ff-7fab-90bd-7befa287b384 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068198
StatusPUBLIC

Content hashes

Canonical text282ac01907f4b9af634a839881a06c72cfeaa492e36c6a1e29a203bb8f03eef8
Markdownfdedc2f7d2f4d374cf235778b31dfc1b7b391e82ea067b0a1a14a70a3e28bcce
PDF
Publication pagea9862e4041a13e786459f3007a2694925ad803b899909bbedbed95e01da1a4fb
Manifest3379db5e3e6f550ee954072c034ced100a2079a24e625b16151af1c4a07f3751

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
Signaturejfpsdi93nGSFO0R2cUMGe8m1JcA8K/FD2zq6vhm3CKNNJoIzLc37CRtD9C8K4J/5zaNtBYw6hdDe/csCbxV2AQ==
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

2026-09-17T10:30:51.533201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068198
observed a9862e4041a13e786459f3007a269492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.515983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068198/manifest.json
observed 3379db5e3e6f550ee954072c034ced10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.498709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068198/publication.md
observed fdedc2f7d2f4d374cf235778b31dfc1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.480117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068198/publication.txt
observed 282ac01907f4b9af634a839881a06c72...
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.