OpenTechnical

OT-2026-000016739

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000016739) never changes.

Identity and time

Publication numberOT-2026-000016739 · never reused
Internal UUID01a0ae6e-5918-7c13-99d1-ef8db7cda9d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016739
StatusPUBLIC

Content hashes

Canonical text854048c8b8e71d5b10eb8547fb1cd439b50a3f5139f072ef41f490278d9fff6c
Markdownd09d1862266711b07755895d78ee56705fa1b3965efde08916bc8b4dfd431399
PDF
Publication pagebb6593d993fa629433cc411f18427d0fdf2dacc9617c7778c652870548bec1c2
Manifestc631d262fef47724fa311ebc7707909874186bec62d3e5b0898d5396bc6e9008

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
Signature8xmKEiOSIrACMbdWvdbdDnXkT5MiML5fkUvmRx+JtEowgWEDdDuVEqpxza5FTsyQqEeQd4HegUyVqtrAJqvDAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:02:58.264958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016739
observed bb6593d993fa629433cc411f18427d0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:58.249577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016739/manifest.json
observed c631d262fef47724fa311ebc77079098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:58.234545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016739/publication.md
observed d09d1862266711b07755895d78ee5670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:58.219722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016739/publication.txt
observed 854048c8b8e71d5b10eb8547fb1cd439...
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.