OpenTechnical

OT-2026-000055621

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000055621) never changes.

Identity and time

Publication numberOT-2026-000055621 · never reused
Internal UUID01a0ae86-a103-7c31-bd1f-52b1828fdd19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055621
StatusPUBLIC

Content hashes

Canonical text14434bb8086e4209db881414fc29ed4db3415e6b9fceaa314df3e60a6fd3ae14
Markdown976991ec9369f90911d56f8dfdc354099ec47ceaadec0cff087ae22d9c2c47cc
PDF
Publication page1c80e970c55f46c01ff8ae8eb2c69b896f4bd063fb654675e161c771c632f466
Manifestcf6e2883c949751a8af8e887a9264496c0fe5d642a4f2f97a7202f1ab1ee9b11

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
SignatureVYOD4847YCc6xD70Os5fa0KIdPmRmd/6iux+pXyDv32L3aXOie+xSW0UqJpZEE5cnYSIUD6e0jx8JG6Zk2BfDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:52.009322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055621
observed 1c80e970c55f46c01ff8ae8eb2c69b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:51.992118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055621/manifest.json
observed cf6e2883c949751a8af8e887a9264496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:51.972937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055621/publication.md
observed 976991ec9369f90911d56f8dfdc35409...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:51.953166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055621/publication.txt
observed 14434bb8086e4209db881414fc29ed4d...
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.