OpenTechnical

OT-2026-000099527

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000099527) never changes.

Identity and time

Publication numberOT-2026-000099527 · never reused
Internal UUID01a0aea2-c974-7a75-9a81-5555b82926aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099527
StatusPUBLIC

Content hashes

Canonical text59e97e1e4d53e5a19519f93832d6585f9995536df90ef4eb307641bb5b44298b
Markdown07fab6d89547f6c1c231d0bb8ef3a0925b234f82740a1ff4d3d000205b682c2b
PDF
Publication page4a57035f4001d03be46d4388109df8e5f158c5a1e030fcd7cc5281a058474efb
Manifest3ac6ec2b20198fc947f5cdbd91efb567b10e03220b6652cbbfd8b93481ddab23

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
SignatureMwL1S1Hxbmj13srz/Kp6WXqTm9mnQ97nfBIxcFChWQh+qxTvTYzFAj4Ysd2hM8voycUTh2TJxJT4xlqzffp1AA==
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

2026-09-17T09:29:25.661768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099527
observed 4a57035f4001d03be46d4388109df8e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.643233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099527/manifest.json
observed 3ac6ec2b20198fc947f5cdbd91efb567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.624572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099527/publication.md
observed 07fab6d89547f6c1c231d0bb8ef3a092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.605322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099527/publication.txt
observed 59e97e1e4d53e5a19519f93832d6585f...
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.