OpenTechnical

OT-2026-000076025

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000076025) never changes.

Identity and time

Publication numberOT-2026-000076025 · never reused
Internal UUID01a0ae94-2a00-7f8d-a114-4b8781e82c54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076025
StatusPUBLIC

Content hashes

Canonical text915e0c2a0c9081e0696cd83477ccbe8958cd66aa2aa214c522f2616b07248547
Markdowncdcfc09c3849f2207bf09ded35c7b29750fc8bbfdee989ceb5f86713c65a76bb
PDF
Publication paged94132644a2363336e6e184b6526ff7f8414baa6cb5a20e415a8ae02e35cc37f
Manifest031615ec096384bc884a80e46035d7a85f85f966aa9cb789dc40e4740ed69444

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
Signaturewy0BTx4tAyydVpa4/M1ytTOqC4grxVXyFvSeTKegY0bgp+qcaoByKHZ/jIjjH1ynsKVgs41R+IuT8mqQ+y0vBQ==
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

2026-09-17T10:20:16.939649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076025
observed d94132644a2363336e6e184b6526ff7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.919682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076025/manifest.json
observed 031615ec096384bc884a80e46035d7a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.902086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076025/publication.md
observed cdcfc09c3849f2207bf09ded35c7b297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.882181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076025/publication.txt
observed 915e0c2a0c9081e0696cd83477ccbe89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:12.989468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076025
observed d94132644a2363336e6e184b6526ff7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:12.969571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076025/manifest.json
observed 031615ec096384bc884a80e46035d7a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:12.948978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076025/publication.md
observed cdcfc09c3849f2207bf09ded35c7b297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:12.807810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076025/publication.txt
observed 915e0c2a0c9081e0696cd83477ccbe89...
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.