OpenTechnical

OT-2026-000059601

Publication integrity record

Single cup vacuum gripper, three stage ejector, vented after 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-2026-000059601) never changes.

Identity and time

Publication numberOT-2026-000059601 · never reused
Internal UUID01a0ae89-ec24-7733-970c-34fdcb79e958 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059601
StatusPUBLIC

Content hashes

Canonical text2dffe2d8621126df7c2c636c91d12aa84856f400245cc4a26ef62b133d8123da
Markdown3663a9bc3496373b66e5a348d4962946a850a9905be30334e3b18b1ef776991a
PDF
Publication pageb17a5fc457bb06a1cb66c94b57ff68c27f6cb045bacb3561d29461190b83e0c0
Manifestc6d06c20bac56d4df31f3772d08497109ab58deee60557153167e1eb5de8c4b5

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
SignatureL3SVp4T7ly9llG8TObT32Y6UoFcSBhxvRwrun8WObdcu4VeFjXkxEgZJ30In9le9+DXMGZHWpxWfhMe/3IrlCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:15.241702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059601
observed b17a5fc457bb06a1cb66c94b57ff68c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:15.224862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059601/manifest.json
observed c6d06c20bac56d4df31f3772d0849710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:15.207127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059601/publication.md
observed 3663a9bc3496373b66e5a348d4962946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:15.189816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059601/publication.txt
observed 2dffe2d8621126df7c2c636c91d12aa8...
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.