OpenTechnical

OT-2026-000078893

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000078893) never changes.

Identity and time

Publication numberOT-2026-000078893 · never reused
Internal UUID01a0ae95-ccbd-70ff-9d5f-d2bce9e70fc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078893
StatusPUBLIC

Content hashes

Canonical text8014b53297db3683e97df5f0e09790563fe58798bf00c6acbfc74a9fcf56d9f8
Markdown05eca7416f851f053e4e1913ba3ed364d0c065366321f250b8f7bcf28ce99541
PDF
Publication page85f11d316d4e99f5c19b6028177c0e67115ebd372ca82061c4d265f0c643d356
Manifest4dc61b33b16f5d7eff467cc840c67d72f7b9aa47e519c172e470cf69e13112d1

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
SignaturekEQOvt3lWYDBPEm/ESlzuaqTq+OFcM8PtVRRkHbRC3vb8DD5oDJrH8cUJ/BZBbyNoLJbq0Aq3KbEm2JQvHrSCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:42.159498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078893
observed 85f11d316d4e99f5c19b6028177c0e67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.140921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078893/manifest.json
observed 4dc61b33b16f5d7eff467cc840c67d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.122850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078893/publication.md
observed 05eca7416f851f053e4e1913ba3ed364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.105876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078893/publication.txt
observed 8014b53297db3683e97df5f0e0979056...
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.