OpenTechnical

OT-2026-000073762

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000073762) never changes.

Identity and time

Publication numberOT-2026-000073762 · never reused
Internal UUID01a0ae93-2b8d-783d-ad23-00b1b215679f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073762
StatusPUBLIC

Content hashes

Canonical text671f94d699e220cb4687cecf27b4354e1d18a0568ff294af028457105ccfe4d8
Markdown78ef60fca44631723afe6de2b4d8e980e0b61b525f11670c538dee3fd6b019aa
PDF
Publication paged1e955d056f544ebdc2c3c7587f80ac10e6b8b1c1b4347f32bc94ff598aed161
Manifest87442dee79bff73bff07efb038ccd26c07df446d784bc19f1435dfc89c1d8538

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+a2OyJ0MX9jcO0s3j2RyXZVEsfTk++RSlIZwkNb6tnvZ9ekuOl35sTilrq1QW7DrpMQDIlPsZNZ3coHP490oBQ==
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

2026-09-17T10:19:51.349122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073762
observed d1e955d056f544ebdc2c3c7587f80ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:51.328178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073762/manifest.json
observed 87442dee79bff73bff07efb038ccd26c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:51.309539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073762/publication.md
observed 78ef60fca44631723afe6de2b4d8e980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:51.288852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073762/publication.txt
observed 671f94d699e220cb4687cecf27b4354e...
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.