OpenTechnical

OT-2026-000047707

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000047707) never changes.

Identity and time

Publication numberOT-2026-000047707 · never reused
Internal UUID01a0ae7f-c41f-73f5-ad99-6b085fd0a444 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047707
StatusPUBLIC

Content hashes

Canonical text13ca878e115cb7f7de8c8e9401b352601a7f7c26d0aa495978bd6bff955761eb
Markdownc4ed388adf0ae829856c00f3540ac786171b56c9a179777717c671375fcd602a
PDF
Publication page2e97afea86ff7935cbd5d13930374d8a637091763161964c858bd8af9c7f6609
Manifestff4cb38647848d76de4552037b1eac141a8c7fca9c750d658e22d6af2ae43c83

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
Signature0HYj+ymQld+GEn717WrsBCvLAFAcLlcdZwV9QkR0g2BxY+4U9hDYfJcNJrJWFEuC2kpRWObFMTxlU181rOfXAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:34.144821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047707
observed 2e97afea86ff7935cbd5d13930374d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:34.123497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047707/manifest.json
observed ff4cb38647848d76de4552037b1eac14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:34.104299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047707/publication.md
observed c4ed388adf0ae829856c00f3540ac786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:34.083724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047707/publication.txt
observed 13ca878e115cb7f7de8c8e9401b35260...
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.