OpenTechnical

OT-2026-000067655

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000067655) never changes.

Identity and time

Publication numberOT-2026-000067655 · never reused
Internal UUID01a0ae8f-6bdb-74d2-aa61-44dd186a5d7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067655
StatusPUBLIC

Content hashes

Canonical textc61c9ec3845a59110990ae930eac7eb81dd4f11915b0113aa9682cfbad145f98
Markdownf0de39dc0c5b5423b21ebbc65964cc82e4ca876c2c8f8a39ad601e4de3f98f65
PDF
Publication page557d6dda1ca2e74f705ed63da447aa8d7c9f92d4a30b8ac7017824f874668d18
Manifest3dd151e528dce0612c2376369972e833dfb48a7c9ecf3b6a3decfa74188ae149

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
SignatureOY2QL5GVkwkmNOJu9L1oUAz7esv5j9pvQw0ntX3o5GTP6x6RhqiYoHkRu3UXf84+/U4BrhfGH7763BmecF2EDA==
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

2026-09-17T10:31:59.083722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067655
observed 557d6dda1ca2e74f705ed63da447aa8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:59.066673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067655/manifest.json
observed 3dd151e528dce0612c2376369972e833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:59.050364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067655/publication.md
observed f0de39dc0c5b5423b21ebbc65964cc82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:59.035140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067655/publication.txt
observed c61c9ec3845a59110990ae930eac7eb8...
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.