OpenTechnical

OT-2026-000055547

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000055547) never changes.

Identity and time

Publication numberOT-2026-000055547 · never reused
Internal UUID01a0ae86-a102-7d6e-af03-0590cf32ac7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055547
StatusPUBLIC

Content hashes

Canonical text6c6c7a8085833240019abe417a7315f4bd6240c35be3a480409573befc681f6b
Markdownceee0e0c717d49c2476a51f8552abf2901d3d1b63635a2b7f2cc0bbf946dbbf4
PDF
Publication pagef8c2842adf7db57064a0316befca9c93ab12bf7941ae01cafbd222e311bfbe94
Manifest17fc38361732dc6fb2bedf972cf3a15271bc91ef0b207f0835719d3ef5d5e709

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
Signature/mBWRghO2AWeHWBdqEkPoftaxTtZNzeO2gGjJgNsfQXwsaJH8tKo1u+39pN2lmVzV3Yiuv7A1JlBGOiTNHqWBA==
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

2026-09-17T10:52:45.957053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055547
observed f8c2842adf7db57064a0316befca9c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.938928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055547/manifest.json
observed 17fc38361732dc6fb2bedf972cf3a152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.920795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055547/publication.md
observed ceee0e0c717d49c2476a51f8552abf29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:45.901522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055547/publication.txt
observed 6c6c7a8085833240019abe417a7315f4...
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.