OpenTechnical

OT-2026-000061899

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000061899) never changes.

Identity and time

Publication numberOT-2026-000061899 · never reused
Internal UUID01a0ae8b-b8ad-7672-a2ff-06866fc70bea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061899
StatusPUBLIC

Content hashes

Canonical text58606b7790045bf009a84e8d3dff26a1f35a57ef7a56d581aa95035359296ca4
Markdownb4215ae1c4ad4e794a775e97ad7d55b02a98b03e526826f4b6fb206a87236591
PDF
Publication pagead73df95f45e3a50de7f23d96e18359f6e12fe431f5b8e4000ba91c3176c83d2
Manifest43348d5d8ae914a8fc3fb196813f1a10c29d5b77994c4a2229e984427d83fead

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
SignatureARI7lzrH7UMd+YUT62nszZ67uR99oBInwJH0PlCWwGU+IVmmDjDR4QnbaJEgWsbz2DUYyVLQPbM/YUCsT5WUAg==
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...

Independent retrieval

2026-09-17T10:40:46.383548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061899
observed ad73df95f45e3a50de7f23d96e18359f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.364991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061899/manifest.json
observed 43348d5d8ae914a8fc3fb196813f1a10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.343356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061899/publication.md
observed b4215ae1c4ad4e794a775e97ad7d55b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.322457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061899/publication.txt
observed 58606b7790045bf009a84e8d3dff26a1...
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.