OpenTechnical

OT-2026-000037119

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line 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-2026-000037119) never changes.

Identity and time

Publication numberOT-2026-000037119 · never reused
Internal UUID01a0ae77-7741-7159-9751-f684730e4293 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037119
StatusPUBLIC

Content hashes

Canonical text91baed331095a9b14952f486cdfc762118d484151b69c670b3e41888ac9e8395
Markdown27def808a2d8681715fa57e27c0c3c7936df5b13e41ad389c7cf1b6dcada9a6f
PDF
Publication page71970d24878150a43ee213609d9a917ad9ca6a930b5cd1d096e9215928f36512
Manifest8e9fac8b85aceeb9ec9f189a04dc815b7779f5d034e9bf48122753be72ab771e

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
SignaturegLTYcBWcEYiP9nwuyxks6f+KEzCSY9DuFpSwIdTkMSeXieyZ1WzHW1odslzFKHwt/CXmk2TzgAwZkONGm34kCw==
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

2026-09-17T11:24:59.403099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037119
observed 71970d24878150a43ee213609d9a917a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:59.386616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037119/manifest.json
observed 8e9fac8b85aceeb9ec9f189a04dc815b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:59.370439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037119/publication.md
observed 27def808a2d8681715fa57e27c0c3c79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:59.355146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037119/publication.txt
observed 91baed331095a9b14952f486cdfc7621...
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.