OpenTechnical

OT-2026-000052951

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000052951) never changes.

Identity and time

Publication numberOT-2026-000052951 · never reused
Internal UUID01a0ae84-a430-7f33-8681-176fbbfc0100 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052951
StatusPUBLIC

Content hashes

Canonical textbd6ec758ff9843f254a800ca3678c4e230ea8be74980b7282c01380361eb1187
Markdown16b1ce4204bc5b3c417b8f480186e6a515f511b40fcfb2793996e7b82c950df1
PDF
Publication page791364a837736ff588e2b343083c3aac290e42995576acb9664211ed6c70c2e7
Manifesta47d4e749e0cf87d73e4e81fb2bbe4aca8ade7f615e0741f4fdd06b80e5592a2

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
SignatureYBkJkCA8ouPP8Ob450EHRjuY6mIgaqqV3sTnaSzJjJioOhn0pIc9H+Ae/7kwKM1LPgASZak0uU+MCaDNweqwCQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:38.017819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052951
observed 791364a837736ff588e2b343083c3aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:38.001115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052951/manifest.json
observed a47d4e749e0cf87d73e4e81fb2bbe4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:37.983810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052951/publication.md
observed 16b1ce4204bc5b3c417b8f480186e6a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:37.967394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052951/publication.txt
observed bd6ec758ff9843f254a800ca3678c4e2...
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.