OpenTechnical

OT-2026-000098921

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000098921) never changes.

Identity and time

Publication numberOT-2026-000098921 · never reused
Internal UUID01a0aea2-8286-7102-bbb0-d807dca38789 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098921
StatusPUBLIC

Content hashes

Canonical text69f92dbcbf33367074b71bbc0e0bf3d0f5f805c477a75018fcc8677422a18dba
Markdown54fffd28dc84ad9b3f2f2322a0177bd0334c992bd42e84dd80ec18dc0e10f015
PDF
Publication page8bc8669a52742fcc971d5e4a1b7a08494a51a4556abed28714b3c2dd9518d961
Manifest537a019c438f8e56cfbf73435a868bd48ecff18a606948eb850ba88cf0e80a0b

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
Signature7nqKg+kcWOqLABUeL+zRtWH1YL4RtI8itm2HAR7kZ65oWXJQCJc8e90ByGFkenv4nMxMA5ix3DVvjopULkTFDA==
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

2026-09-17T09:29:59.136984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098921
observed 8bc8669a52742fcc971d5e4a1b7a0849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:59.119367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098921/manifest.json
observed 537a019c438f8e56cfbf73435a868bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:59.104153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098921/publication.md
observed 54fffd28dc84ad9b3f2f2322a0177bd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:59.088502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098921/publication.txt
observed 69f92dbcbf33367074b71bbc0e0bf3d0...
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.