OpenTechnical

OT-2026-000051245

Publication integrity record

Single cup vacuum gripper, 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-2026-000051245) never changes.

Identity and time

Publication numberOT-2026-000051245 · never reused
Internal UUID01a0ae83-2740-70b3-835e-e59f93dfd9cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051245
StatusPUBLIC

Content hashes

Canonical texta4e4171f4931c60a42f7d36295ca2173e81715b77d9ec53d89119caf9c728f42
Markdown4a8e8acc2f2ffcac65032a70c5b05cde3f4d499c84a245ac17b4ac9288222eee
PDF
Publication page81437fcfc5cb54d1e6f4686532423827820c30cf7059d3d17dd607bb795adf99
Manifestd42c1d2f5e1ccb7c754bd5d13003476da847c0943ae33e2323454fbe41a45786

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
SignatureUKosV4A3o83EQGfxyrRETYrzC7xOZZdtgzquCryq1kv49/g6eHZbwC0QiGcOzqdAsuP90USdIIdU4afG/efVBQ==
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

2026-09-17T10:59:02.413654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051245
observed 81437fcfc5cb54d1e6f4686532423827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:02.396766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051245/manifest.json
observed d42c1d2f5e1ccb7c754bd5d13003476d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:02.378901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051245/publication.md
observed 4a8e8acc2f2ffcac65032a70c5b05cde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:02.360256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051245/publication.txt
observed a4e4171f4931c60a42f7d36295ca2173...
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.