OpenTechnical

OT-2026-000046145

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000046145) never changes.

Identity and time

Publication numberOT-2026-000046145 · never reused
Internal UUID01a0ae7e-032b-736d-a5da-84580d5b0db1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046145
StatusPUBLIC

Content hashes

Canonical texte9ed4957d38d699fc48fce99cc30d352a5bd97a684e165b92d078ca0fa789b60
Markdownd39ca83104dd771f458f9996da0fe2851e8b319cfefea0b4c847ec7fef2a8b53
PDF
Publication pagef90758168096731d397348a3caeef1f76b575385c640301e9aa1a1e469af6f73
Manifestd7f7f93dbb155ca9d3fbf50dee6fb1ab9f41b27587631befa1300f234f247145

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
Signature85oS3v1aZpAeE+5WBv+H06HcCL0S8lKDJji/674DYSYnndRdiciVKiD7O9NA5SRPb3iTfX+qnaApPva19FVLAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:08.300273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046145
observed f90758168096731d397348a3caeef1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:08.282382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046145/manifest.json
observed d7f7f93dbb155ca9d3fbf50dee6fb1ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:08.263156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046145/publication.md
observed d39ca83104dd771f458f9996da0fe285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:08.243787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046145/publication.txt
observed e9ed4957d38d699fc48fce99cc30d352...
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.