OpenTechnical

OT-2026-000051177

Publication integrity record

Single cup vacuum gripper, two 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-2026-000051177) never changes.

Identity and time

Publication numberOT-2026-000051177 · never reused
Internal UUID01a0ae83-273f-7c20-9472-fa9255556255 · 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-2026-000051177
StatusPUBLIC

Content hashes

Canonical text3506c2ca3a537e2fd60ee84cc4c2fa7803a8f3eb35e63a19bbe300a83bd87cb5
Markdowne91268feb6218cb52006fb44f2012c0bec3df1c7920909b73db120b0a1f8d626
PDF
Publication page8af302811f244a086a953b0402aea4ccf7b5aebf095ea2310dea2f9f31a1e74e
Manifest3e9e3f3f640a6482634e956b13df84821442870fa5f90a54f00adc3755f39800

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
SignaturebMMEWqqZElxgDilDXqxDdGHanqNnOF0BDX5pSacYC8N0nl8cSUhMzlQBfj5FYat4ZqCigVTQHIO75OA5VjYZDg==
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

2026-09-17T10:58:56.969728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051177
observed 8af302811f244a086a953b0402aea4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:56.950702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051177/manifest.json
observed 3e9e3f3f640a6482634e956b13df8482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:56.931628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051177/publication.md
observed e91268feb6218cb52006fb44f2012c0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:56.912445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051177/publication.txt
observed 3506c2ca3a537e2fd60ee84cc4c2fa78...
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.