OpenTechnical

OT-2026-000093116

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000093116) never changes.

Identity and time

Publication numberOT-2026-000093116 · never reused
Internal UUID01a0ae9e-0910-7ea1-842e-cfd88297bab8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093116
StatusPUBLIC

Content hashes

Canonical text6b6186085f323e06444cdd867c580d24e6cd7f4ac1c05b4e37545395433a44d2
Markdown5a80e8aed84c7055b1a1d29e0c27010ae5d1deec7f9f537b6dae11538226a662
PDF
Publication page1359919dc0277e3b0742b32fe4f6ce91e7c8eb16d5553475bdcc1d6dff4a53f1
Manifesta2b4d3e097978220d287c372161698150da0f3fe07e4b2e8de1db2bb1826f248

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
SignatureWSAXemmJhbckiLMk9C2CkapbfegHGzZknrbuJ0+4VvC/QnYvHP5qk4F8/Mn45IvOyE0w82ANuyf/12s9V0RqDw==
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

2026-09-17T09:40:24.062217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093116
observed 1359919dc0277e3b0742b32fe4f6ce91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:24.043212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093116/manifest.json
observed a2b4d3e097978220d287c37216169815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:24.021747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093116/publication.md
observed 5a80e8aed84c7055b1a1d29e0c27010a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:24.001885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093116/publication.txt
observed 6b6186085f323e06444cdd867c580d24...
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.