OpenTechnical

OT-2026-000016683

Publication integrity record

Two bellows 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-2026-000016683) never changes.

Identity and time

Publication numberOT-2026-000016683 · never reused
Internal UUID01a0ae6e-5918-7dee-8e17-172555184bdf · 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-2026-000016683
StatusPUBLIC

Content hashes

Canonical text68ef5b39b47bbd711d46eb53126b2e41e456217493d981c3aab71b75939c381d
Markdown9365aa76e2f6fbafc5cdab734968899f75d50e162382b8c1758b0bfb1abc0fb9
PDF
Publication page159db3ab54fdd3464084c00ce9b240a84a68c6425084d483aa42da91fbdda207
Manifestfc233e12a958434c6f0fd3fdab22efb6cabaffea7e8543f19cbb96124e2438c5

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
Signaturen4dqbwT1KKR2A4s2025LUVtxYSCjXjlu0cRiAZHWCn0qleeMN8uqhl4YLYY+kGj1rBhoAJt5VzElRa0BduErAg==
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

2026-09-17T12:02:54.162509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016683
observed 159db3ab54fdd3464084c00ce9b240a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:54.146836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016683/manifest.json
observed fc233e12a958434c6f0fd3fdab22efb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:54.129092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016683/publication.md
observed 9365aa76e2f6fbafc5cdab734968899f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:54.108604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016683/publication.txt
observed 68ef5b39b47bbd711d46eb53126b2e41...
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.