OpenTechnical

OT-2026-000051999

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off 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-2026-000051999) never changes.

Identity and time

Publication numberOT-2026-000051999 · never reused
Internal UUID01a0ae83-e78e-75b8-bc80-a23b9d120fa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051999
StatusPUBLIC

Content hashes

Canonical text70ef17db7be14ac662796a051c14e43dc120b0cc44ac8baf259d00280062aac8
Markdown50708e9d9843d083deeb021cd04ec0fd7f9a818ca104dbc8f9775bb5bacbba1f
PDF
Publication page60f8e987b53018137391ae14d28771a8c26fc968ff670e5d4d2e74d3ac2ac8c5
Manifest8d7cd3b96442c9b7641453da22d125f8efd118515dcf4b24f82fa588cade8ab7

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
Signaturek6WkuceuSlaVSof64zAkBJwmUDkF/HyZlcwCVRg9V8Xn6Zksw6icTDJ0r4mUWw3xj3RXNce4FJlmDsg8XH6/Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:30.308701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051999
observed 60f8e987b53018137391ae14d28771a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:30.290939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051999/manifest.json
observed 8d7cd3b96442c9b7641453da22d125f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:30.271794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051999/publication.md
observed 50708e9d9843d083deeb021cd04ec0fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:30.253154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051999/publication.txt
observed 70ef17db7be14ac662796a051c14e43d...
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.