OpenTechnical

OT-2026-000051628

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000051628) never changes.

Identity and time

Publication numberOT-2026-000051628 · never reused
Internal UUID01a0ae83-7c82-76fb-a17f-a4ac655a9013 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051628
StatusPUBLIC

Content hashes

Canonical text1d5b9f4a917c1a8c54098148e6947bca08d96ab972f3b7e068804a215945bf29
Markdown3da35d47c4e7156b8383fe8a5e0b3a6dc37936c122dc06b38e99ea6a33253608
PDF
Publication page2f7f3b554a6dfc011db003016ad4bd8bf8b55e34f22e3ab9ae9834c6863dbd1d
Manifest77172ed0dd7dcea2bafae1bbb4e303dfd0c98aef74de9cd8c6b7a7900810a2ee

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
SignaturejYuMw5yjQ/+oekafbapSvsN32ZkNc6E5psQwhLgSa8HPdnAfEv5eS2+lvm1707gUmy9XrPOX1JhL8Hj1IkkHDQ==
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

2026-09-17T10:58:29.161269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051628
observed 2f7f3b554a6dfc011db003016ad4bd8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:29.143719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051628/manifest.json
observed 77172ed0dd7dcea2bafae1bbb4e303df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:29.123912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051628/publication.md
observed 3da35d47c4e7156b8383fe8a5e0b3a6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:29.105591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051628/publication.txt
observed 1d5b9f4a917c1a8c54098148e6947bca...
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.