OpenTechnical

OT-2026-000010912

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000010912) never changes.

Identity and time

Publication numberOT-2026-000010912 · never reused
Internal UUID01a0ae6c-540d-7e95-a687-a1f71e648441 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010912
StatusPUBLIC

Content hashes

Canonical text9e20727fa14dd8e0a26e8453a42afcf435b61b5fa349d09e5d08f2ddf3e09fb3
Markdownd2627613257f9a986e829cafd6cadd186159db8916a0bc2617fb92d415408a35
PDF
Publication pagecc9da9d7a9a4427ca2a573f17874691104cee1e190abfd1b3eee4187901c7b98
Manifestff36135fe75366b0df8e5b8f279d176096793d5456a6a9a7549b43c755ee26a4

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
Signature/zE7VrwyRN/dqTYo8j8l7RRMzL2D8skSuy7GZzJsPkY5D/g2T7rZOfCC5W4hrtRSe/7VbVMDrnEkthGSYeKCCA==
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

2026-09-17T12:13:41.346198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010912
observed cc9da9d7a9a4427ca2a573f178746911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.325711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010912/manifest.json
observed ff36135fe75366b0df8e5b8f279d1760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.305121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010912/publication.md
observed d2627613257f9a986e829cafd6cadd18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.283477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010912/publication.txt
observed 9e20727fa14dd8e0a26e8453a42afcf4...
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.