OpenTechnical

OT-2026-000067577

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000067577) never changes.

Identity and time

Publication numberOT-2026-000067577 · never reused
Internal UUID01a0ae8f-6bda-7057-aacf-eefb22ef7c9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067577
StatusPUBLIC

Content hashes

Canonical text4352b64f0164170ab723a2e66ec28a3582b40e66801b6aa011949e2cf3276a7f
Markdownc417e40a17e9179b3a220b6ac7e2421274d7e139b583cb05fa351a506f63555a
PDF
Publication page8d586ef99a6d250e281b465b27ff14d2a39d9e595fc578cb014d36db9d54dbfe
Manifeste3445ee1c6b4449f6b1e2248615d5f6dfaf7a186b13dc03a4188bfdbf413bde7

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
SignatureQz6R70TlPZjYJSM1+OMyVUrez/eBLHUxZ2M+EW8aa9I/D6yZXfLLnKJI31hcpNQKMRf+qgq1JHOqzJNWMcgrDg==
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

2026-09-17T10:31:53.371869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067577
observed 8d586ef99a6d250e281b465b27ff14d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.354785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067577/manifest.json
observed e3445ee1c6b4449f6b1e2248615d5f6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.336817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067577/publication.md
observed c417e40a17e9179b3a220b6ac7e24212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.315936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067577/publication.txt
observed 4352b64f0164170ab723a2e66ec28a35...
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.