OpenTechnical

OT-2026-000074055

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000074055) never changes.

Identity and time

Publication numberOT-2026-000074055 · never reused
Internal UUID01a0ae93-2b8f-7007-8f1e-1a2cea698cdb · 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-2026-000074055
StatusPUBLIC

Content hashes

Canonical text7c7ab19dab8c22394c7c744bc85a4992908efe2559d19951e5b5407e88356024
Markdowncafeeb4da7159099db540bff0693a2226d438295f74658444ac3755bd481eac1
PDF
Publication pagee9ea0561e8ae6b752d6862884f6bd06294c734cc7e92562d760df7cb5ae9d7dc
Manifest625bbaed81ad957dd96683368015e0b948cd964d6e5523a4f2fbbfad7258b161

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
SignatureeTCNjqRmMibaCVmj5Qo6w7Q69r5GSphE2M70O0raRCc49RG4+rjzX/6ZPgH3ASpt5u7Q6QOdrgbrywKtKRMMBg==
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

2026-09-17T10:20:22.910622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074055
observed e9ea0561e8ae6b752d6862884f6bd062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.891768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074055/manifest.json
observed 625bbaed81ad957dd96683368015e0b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.872666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074055/publication.md
observed cafeeb4da7159099db540bff0693a222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.849359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074055/publication.txt
observed 7c7ab19dab8c22394c7c744bc85a4992...
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.