OpenTechnical

OT-2026-000026950

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000026950) never changes.

Identity and time

Publication numberOT-2026-000026950 · never reused
Internal UUID01a0ae72-3452-7a27-ac02-1ca0b83092f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026950
StatusPUBLIC

Content hashes

Canonical text2caea472133854b4634661d45ef540bc258b905637a285e7e2382c0754079e42
Markdownb63a13a074b368978085828b231696cd4ac8f5d16d2d5bdc64f3deac19ce459d
PDF
Publication pageb8f47f1db753571c856ea7ac615c47257d712484506f6e8ef6ef8d07b7b0dcf4
Manifest215aba97f2ce4e1571c798ec517c1d9309506318874706bd416027cec17d8dba

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
Signature29zTSQsJM/AlvfB3vDSFw6R8ufRivDqxfX5l6CmmtzdFcjgwjl9ZTCL/Vu6KFsuEx26BPmjts3DYu4Vwgt+RBQ==
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

2026-09-17T11:43:34.223198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026950
observed b8f47f1db753571c856ea7ac615c4725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.207435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026950/manifest.json
observed 215aba97f2ce4e1571c798ec517c1d93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.190088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026950/publication.md
observed b63a13a074b368978085828b231696cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:34.168927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026950/publication.txt
observed 2caea472133854b4634661d45ef540bc...
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.