OpenTechnical

OT-2026-000011150

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, vented after 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-2026-000011150) never changes.

Identity and time

Publication numberOT-2026-000011150 · never reused
Internal UUID01a0ae6c-540f-7ac1-bc30-6ad9e25f7433 · 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-2026-000011150
StatusPUBLIC

Content hashes

Canonical text68b202f9ca8abdf9a6b084fe0d8036dcda42196372caa320ee3da4d322565c5b
Markdown91aa81586e3a765c5c5c51ae806bfa5217ce2f78f2d2a2ed009af2349030840c
PDF
Publication page759b28d42c1eb4ba0c59ac0552bc85233bcb5a49d4427530736ebb631aeae8aa
Manifestb60e63a8165ecf876fd5f8f47eb9a62262f7370129f583f7ad6f46abd48422a8

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
Signature4RVUtMNhPntGMeNBl57FXx24b4YAv2PYtVFeyezo5r4Ll3dda77pXynuZ/CLqtcjUnl2s2oLiw3ojfLWpqSyCQ==
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

2026-09-17T12:14:00.759559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011150
observed 759b28d42c1eb4ba0c59ac0552bc8523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:00.741465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011150/manifest.json
observed b60e63a8165ecf876fd5f8f47eb9a622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:00.722776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011150/publication.md
observed 91aa81586e3a765c5c5c51ae806bfa52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:00.704241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011150/publication.txt
observed 68b202f9ca8abdf9a6b084fe0d8036dc...
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.