OpenTechnical

OT-2026-000104302

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000104302) never changes.

Identity and time

Publication numberOT-2026-000104302 · never reused
Internal UUID01a0aea5-3420-7f42-94ff-c3d3f8891aec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104302
StatusPUBLIC

Content hashes

Canonical text454f8bf62590aa0a2ea1ea52089939a39f308fda01833c25a4d22b57ee3f44eb
Markdown8b9d0295c6e4d6ac3a514a37fc14ac1afc154b7db4134a0b3fc09548bfa37d4c
PDF
Publication paged2c7dca0f3ff97a14ab32c806339714ac011b5b1cee2cd695256b871b9e82533
Manifest4a719d9ee70111a5f6b5dbe610d45ebad64547a41e8acc6705f2c24114b3878b

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
SignatureHOrVv+N5Ec+08mEbCVzz1YMc7+QuUgOtOHfJjxE060whcbnq/0swIS1daNCkITxlQ7DsSxp6905jnKF/Sr0hBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:32.889230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104302
observed d2c7dca0f3ff97a14ab32c806339714a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:32.872343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104302/manifest.json
observed 4a719d9ee70111a5f6b5dbe610d45eba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:32.834665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104302/publication.md
observed 8b9d0295c6e4d6ac3a514a37fc14ac1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:32.806199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104302/publication.txt
observed 454f8bf62590aa0a2ea1ea52089939a3...
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.