OpenTechnical

OT-2026-000074370

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000074370) never changes.

Identity and time

Publication numberOT-2026-000074370 · never reused
Internal UUID01a0ae93-7179-7f3d-9543-6b5957466a93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074370
StatusPUBLIC

Content hashes

Canonical text1d0c6291af1e773b6f519dcfca14591c4ecc9518cfcc1320a6552e6ca00714e5
Markdowna42eba385f8b4d17842a3cfe49b06297ad036ec468ddda23b562aec55c9a79ae
PDF
Publication pagea796091725b6bafe8f1551f572ab7fc91427c2faba8b98331acfc930b5768d2b
Manifest8df5d838213d7d83484f4452616355af3b235a871c2c7bb0b789cc3b047bcaca

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
SignatureVo3iQ8aGxxXddeBwqXAZJ92nTGi4C4+1sdHMO0qqND0bPWE8b9TSGuMI/E/8JIDz7AmT3et8uJYnIIcYkyG0Bw==
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

2026-09-17T10:19:18.044826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074370
observed a796091725b6bafe8f1551f572ab7fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:18.028413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074370/manifest.json
observed 8df5d838213d7d83484f4452616355af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:18.007590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074370/publication.md
observed a42eba385f8b4d17842a3cfe49b06297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.988956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074370/publication.txt
observed 1d0c6291af1e773b6f519dcfca14591c...
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.