OpenTechnical

OT-2026-000050889

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000050889) never changes.

Identity and time

Publication numberOT-2026-000050889 · never reused
Internal UUID01a0ae82-c7b3-7a8e-960f-fc44ea2582be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050889
StatusPUBLIC

Content hashes

Canonical textf5ba107885a2e2991ba494106a150063f5a8403933a77bbc8f8e7ad996b36123
Markdowne5432369b52e5ae9235f431557f01643d8b8b30e2f5aaa8d9df8f2078bcb6a45
PDF
Publication page38b66d7ea405aee04e15d1649f71151d1e01cf3abb4b04197e4564deb1d74fbd
Manifest828c832365dfbf94cfc3abaa13ac330e586bf729cccd38ac41d2774b214e6fcb

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
SignaturebcTPA//PPQy3VpsifM6wjOOAXuRPdWkN19HRiSCMXeXxXamTODSFah2gh2Quji27ekGCMNuJh7Z2MA090d43Cw==
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

2026-09-17T11:00:37.628555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050889
observed 38b66d7ea405aee04e15d1649f71151d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.603755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050889/manifest.json
observed 828c832365dfbf94cfc3abaa13ac330e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.569666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050889/publication.md
observed e5432369b52e5ae9235f431557f01643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.540836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050889/publication.txt
observed f5ba107885a2e2991ba494106a150063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.486260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050889
observed 38b66d7ea405aee04e15d1649f71151d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.466915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050889/manifest.json
observed 828c832365dfbf94cfc3abaa13ac330e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.443766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050889/publication.md
observed e5432369b52e5ae9235f431557f01643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:37.420353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050889/publication.txt
observed f5ba107885a2e2991ba494106a150063...
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.