OpenTechnical

OT-2026-000058315

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line 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-2026-000058315) never changes.

Identity and time

Publication numberOT-2026-000058315 · never reused
Internal UUID01a0ae88-f398-7275-b280-335f14dc0201 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058315
StatusPUBLIC

Content hashes

Canonical texta255b9dbf52527c0ac9be1612947c00201c666c0c98e0f7eb4315d53a233e870
Markdown6c55bbc9c47764d9f24fad0d5a0e7f19ec9b8755161d552baba955d67a0a3e8b
PDF
Publication page021c2197ef5a648f28cec9e85d956d5abd7069aaf1a648e7213b531977f0b19f
Manifest82c0be4d9b753c7a99932869564f2bf34a47b2b2baed6d51592e7b3158f82541

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
SignatureoKC/BUSwD2aAj1n+lBA+DV5pBPVuN/aYakYgz3eVeYLAp7HzTZyJK3xygjj9fbfnnlx3hQHshHz3ER8Q9g86Aw==
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

2026-09-17T10:46:43.212764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058315
observed 021c2197ef5a648f28cec9e85d956d5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:43.195411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058315/manifest.json
observed 82c0be4d9b753c7a99932869564f2bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:43.179233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058315/publication.md
observed 6c55bbc9c47764d9f24fad0d5a0e7f19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:43.161700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058315/publication.txt
observed a255b9dbf52527c0ac9be1612947c002...
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.