OpenTechnical

OT-2026-000038420

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000038420) never changes.

Identity and time

Publication numberOT-2026-000038420 · never reused
Internal UUID01a0ae78-2d52-7367-a4ac-8934c2b6ff8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038420
StatusPUBLIC

Content hashes

Canonical text18434aa7b033cdccee26a0c0eb7ccf1590a45d1f4b1d2a6543f3c2d08e8085f4
Markdowna834b433a85e3f2966305b325cb626a610401a0b92cbc2284eb5d4398c5bf4d3
PDF
Publication page3940e6ca1bb29530a54da13a2ca06144c01d3854b0b72da236d6728a8b1b4a5e
Manifest1f5196aec7c13cd8f406d66ce95783ef37c74e578eb995d2187dcf4ac5683b85

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
SignatureWVV3/HMJwCihyT7FNf2MmXE+QOKo04oTIa9ft25j4VjhyujGSNBrwlGt5QkozqG4ezAgT6/IgYAzxxnw0nM8DQ==
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

2026-09-17T11:22:37.946578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038420
observed 3940e6ca1bb29530a54da13a2ca06144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.929148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038420/manifest.json
observed 1f5196aec7c13cd8f406d66ce95783ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.910658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038420/publication.md
observed a834b433a85e3f2966305b325cb626a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.891967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038420/publication.txt
observed 18434aa7b033cdccee26a0c0eb7ccf15...
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.