OpenTechnical

OT-2026-000067212

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000067212) never changes.

Identity and time

Publication numberOT-2026-000067212 · never reused
Internal UUID01a0ae8f-1500-7def-80f8-9c62699f5041 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067212
StatusPUBLIC

Content hashes

Canonical textb2f02209f66a8e7b4edda8f0d47dbb4ec40304b2781b79b9b93e54e1b9fdde5f
Markdown33bca8f5f041bc67603cafe6b923d3b9d9cb4440fc7c15fe7f7d8acb52d22006
PDF
Publication page19674e81c060ea2de6b3bbeb0b4dc92c15f279780b393382ba486b37e0b9bcd0
Manifest78d821f4770401544e33c74e002604191149be15f650453a9307875a5c769c70

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
SignaturevJ5gxJr/7Wd295+QUGiE5Q5pc7+8mbJfz/Jl6DKIWzkFEtl8KQjhbZC/a94D9HFGk709hSrS661FbbHhErmRCA==
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

2026-09-17T10:32:30.115560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067212
observed 19674e81c060ea2de6b3bbeb0b4dc92c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:30.098806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067212/manifest.json
observed 78d821f4770401544e33c74e00260419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:30.080956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067212/publication.md
observed 33bca8f5f041bc67603cafe6b923d3b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:30.064690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067212/publication.txt
observed b2f02209f66a8e7b4edda8f0d47dbb4e...
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.