OpenTechnical

OT-2026-000073776

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000073776) never changes.

Identity and time

Publication numberOT-2026-000073776 · never reused
Internal UUID01a0ae93-2b8d-7630-ab3c-2e9b76edefd9 · 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-2026-000073776
StatusPUBLIC

Content hashes

Canonical text0b0c442058b58cd4e94a5fb783bb473b5ec15e1d56a4245a8653921a3670b66e
Markdown4c79d67391defad7fd0bc6c8725fc01385d0604387246ddf76619d9de3404e63
PDF
Publication page04943cc813bf00778b3c9c14631d84bea20dd1de01d666b9e08bb8a5986e4ceb
Manifeste48dab2f0409b67852f739f3bb63f2dd4996d2b2a3770fa6184dda3671d26114

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
Signatureg2h1j5zW5x4lmrW1AiEXbBHElcKTA7vUARuhO9/natxDbHuAize/QVOnCX7g4nJbgyA7Toh560/3VVPjTPpdDg==
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

2026-09-17T10:19:52.700373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073776
observed 04943cc813bf00778b3c9c14631d84be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:52.681610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073776/manifest.json
observed e48dab2f0409b67852f739f3bb63f2dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:52.663782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073776/publication.md
observed 4c79d67391defad7fd0bc6c8725fc013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:52.644900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073776/publication.txt
observed 0b0c442058b58cd4e94a5fb783bb473b...
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.