OpenTechnical

OT-2026-000043860

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000043860) never changes.

Identity and time

Publication numberOT-2026-000043860 · never reused
Internal UUID01a0ae7b-d677-7230-a781-636e651addd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043860
StatusPUBLIC

Content hashes

Canonical text4eeb735d6cf803304264fa0c4020af4aea329bb947ce52f8026cfc57af9c6be0
Markdown078ce5814003697293bdea19733679b0f36a5d82832e463edc21f1eacb1fef30
PDF
Publication page310d23d3c4d3c26c695cdf0c6fc1954c55afefd6aff86982ff4db5d42dba7ae4
Manifestc0030b79fdfe8af6f6397b42a76b4bdaa31f67cb6248a6b2235d49011460aec1

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
SignatureIKH97vNx9dfHbDIRXrBK+3b1tpGSGlEOh+ycAABo5fR8aefAJD9ilH+s8kjH3XNFGcf6mvmLIUziCbgbMsOWDw==
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

2026-09-17T11:12:10.845449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043860
observed 310d23d3c4d3c26c695cdf0c6fc1954c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.826741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043860/manifest.json
observed c0030b79fdfe8af6f6397b42a76b4bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.807909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043860/publication.md
observed 078ce5814003697293bdea19733679b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.786843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043860/publication.txt
observed 4eeb735d6cf803304264fa0c4020af4a...
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.