OpenTechnical

OT-2026-000071243

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000071243) never changes.

Identity and time

Publication numberOT-2026-000071243 · never reused
Internal UUID01a0ae91-e0ec-766e-becd-e1faa0a1e92b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071243
StatusPUBLIC

Content hashes

Canonical text9b55876fdfc2ca7879a4a6289941dd261163ea30eb2274e8bdbf82d123a8d0ad
Markdownab093eeeec220c5f25b72e856067d845de51025024a329b93046ac87c1b1c7f2
PDF
Publication page055cf6922ce0cd7b69ecab540f3b30780e35e9f89fa92be56f8b1c45f62c50fc
Manifest0ae25b457c33786134007dcbf13b1d2ff20192d5826d2fb4d8c0452c3517fb07

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
Signature6z+Vlha++xBvjPe4Yg/KDPxh2Myry0kuiS/IZikhTCyrU4tGnSio1PAkCCNUIGm+ierzSq+7XhKoJeo+pcIMBg==
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

2026-09-17T10:24:47.567473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071243
observed 055cf6922ce0cd7b69ecab540f3b3078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.551573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071243/manifest.json
observed 0ae25b457c33786134007dcbf13b1d2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.532469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071243/publication.md
observed ab093eeeec220c5f25b72e856067d845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.516567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071243/publication.txt
observed 9b55876fdfc2ca7879a4a6289941dd26...
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.