OpenTechnical

OT-2026-000058356

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, sustained blow-off 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-2026-000058356) never changes.

Identity and time

Publication numberOT-2026-000058356 · never reused
Internal UUID01a0ae88-f399-7236-8340-d3cfd5b0cc91 · 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-2026-000058356
StatusPUBLIC

Content hashes

Canonical text472b97277eb05bb689a8ad82a6ddab172e973df3e382e1f8553ccbaedd8ccccb
Markdown6975905ee6ac7920e26b498702da5ebf848a80e3e295685952f90011c471f7b9
PDF
Publication page9a6acfcc6770225915e7f25a40510ddd60ba7e7d7274a4d78350d4b186a4ff31
Manifest36c280cae491f4216438d7a40846381be00d449eacbac11ba22a1762565733ce

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
Signaturem1mnQwP2ltLL/TXpGs4MSYsWhpAoxL7UwV+bNZ9jGMHZFl0HJgcUmwhxZgHKYZQPlCtyZ1IF80pDT/UkMADyAw==
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

2026-09-17T10:46:46.245455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058356
observed 9a6acfcc6770225915e7f25a40510ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:46.226651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058356/manifest.json
observed 36c280cae491f4216438d7a40846381b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:46.209319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058356/publication.md
observed 6975905ee6ac7920e26b498702da5ebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:46.190124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058356/publication.txt
observed 472b97277eb05bb689a8ad82a6ddab17...
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.