OpenTechnical

OT-2026-000042153

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, sustained blow-off 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-2026-000042153) never changes.

Identity and time

Publication numberOT-2026-000042153 · never reused
Internal UUID01a0ae7a-5d71-7c60-8aaf-de5aa5ce5c1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042153
StatusPUBLIC

Content hashes

Canonical text8e86f25a39702c4cc78af521ee63f5c00e1af440a348fe13eb4eba9de8bb500d
Markdown1a2d301f7c0a4116476106fe2bb3688618f8d6273b476db5eb5f7e37e44c1725
PDF
Publication page5d9cef77cb657aa07ba31a5882ed1bf08f0d245f9ca56fa57b006e974e71906c
Manifest5effc70dd48bbb380b3f90e6293aea6cd4f7de7692eed6577a6329baf2ab8a3d

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
Signaturep4eI7DeLWzeCuTN+4UmCGoRTZk/GiXUibGtYRJvylpbTgWu+w+o3JRfytYsbunYtoCE5YhMijfLvIOKmTSi1CA==
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

2026-09-17T11:15:42.490097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042153
observed 5d9cef77cb657aa07ba31a5882ed1bf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.468353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042153/manifest.json
observed 5effc70dd48bbb380b3f90e6293aea6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.449879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042153/publication.md
observed 1a2d301f7c0a4116476106fe2bb36886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.431770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042153/publication.txt
observed 8e86f25a39702c4cc78af521ee63f5c0...
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.