OpenTechnical

OT-2026-000074480

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000074480) never changes.

Identity and time

Publication numberOT-2026-000074480 · never reused
Internal UUID01a0ae93-717a-7bb1-9e89-225789c757e6 · 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-2026-000074480
StatusPUBLIC

Content hashes

Canonical text007bc8cefe8f6bbb33d1a4d63ed6a48696812af796aa286e854bbbc4471140ba
Markdowna4f429fbc363551dcf1e058ec871e25f0d7988db4a13389df9984d05505e6212
PDF
Publication paged0f5ea6edeefaeaa04f2bd547401f854389cc091a99f7f9561ef9969361875cd
Manifest34bc0b4bca7cdb25300e63819b761113f5c24c365822f852543d13c78ad4beb6

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
SignatureKvOgfWyr2JzCSfrDItutNOh/Q94wSKMipfeRhaJMrsiouu1qKov2MmJx4VgB1rELDpfbYS+kQagDwTRuC84vDQ==
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

2026-09-17T10:19:26.663278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074480
observed d0f5ea6edeefaeaa04f2bd547401f854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.644745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074480/manifest.json
observed 34bc0b4bca7cdb25300e63819b761113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.627666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074480/publication.md
observed a4f429fbc363551dcf1e058ec871e25f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.608412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074480/publication.txt
observed 007bc8cefe8f6bbb33d1a4d63ed6a486...
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.