OpenTechnical

OT-2026-000067503

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000067503) never changes.

Identity and time

Publication numberOT-2026-000067503 · never reused
Internal UUID01a0ae8f-6bd9-75e3-8cf4-4e02694d4ec9 · 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-2026-000067503
StatusPUBLIC

Content hashes

Canonical texta12de8f30f3a62c14912cf4ef3481fd271e67729da648889990c87f679a78455
Markdown092814b4795bdae6e90eb7e31c55a1c636606e03b2b0b292f9873cdf7220c72c
PDF
Publication paged07d330ad9b9d3831e40732aa3972e8d7f51ee79c3d556215d45c318dca9a3c3
Manifest6fb430dece4d8848e30b598d6532da03b8564c6fedcdecf3b6efc63d357ebfc0

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
Signatureo7R2rBoSa2OTt+yeuup6jhi50WfqdkW7kTjEKqDFUMUZkJHP6dlQZyuFrjcjz80FzYe2wu/xOPLe5HbST3hNCw==
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

2026-09-17T10:31:47.944413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067503
observed d07d330ad9b9d3831e40732aa3972e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.925842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067503/manifest.json
observed 6fb430dece4d8848e30b598d6532da03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.906990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067503/publication.md
observed 092814b4795bdae6e90eb7e31c55a1c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.888874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067503/publication.txt
observed a12de8f30f3a62c14912cf4ef3481fd2...
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.