OpenTechnical

OT-2026-000050147

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000050147) never changes.

Identity and time

Publication numberOT-2026-000050147 · never reused
Internal UUID01a0ae82-5c45-788a-9889-2f3146024a2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050147
StatusPUBLIC

Content hashes

Canonical text49299117862049fbac6bf45f2583bbc198b25296b2e1ab3b80e49c2a6dc294b1
Markdown2062b15236c17f60bd9d430d2121ed75ace52433f0feb8b219ca36bc2282b94f
PDF
Publication page7805e3ab11cad70804b0e911c0217c38fd8459771e2bcb90e4dc7b791ae31ef7
Manifest72c120fad3099be0a8c5349f873700509673f734adac59af86ad29fd2b723cfb

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
SignaturejcfcqzpmX9muHfxsCJQ/p0hwnNtv4VfQNmLK1X4grYXIc4eBRqrpCqbCqd8qOoEVXXFS07ZKlHFoEsxWL7G+AQ==
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

2026-09-17T11:01:07.153415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050147
observed 7805e3ab11cad70804b0e911c0217c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.135954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050147/manifest.json
observed 72c120fad3099be0a8c5349f87370050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.115173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050147/publication.md
observed 2062b15236c17f60bd9d430d2121ed75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:07.096638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050147/publication.txt
observed 49299117862049fbac6bf45f2583bbc1...
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.