OpenTechnical

OT-2026-000016419

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000016419) never changes.

Identity and time

Publication numberOT-2026-000016419 · never reused
Internal UUID01a0ae6e-2d13-7669-a201-5914a68f76b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016419
StatusPUBLIC

Content hashes

Canonical text96aa93df7529d659dc920e680a3cc43c267bd34e38ca3147f62f33e108091b99
Markdown45b9c01acde8287504183c32aca7c612601346b11e88abd0130fa26eb24d5669
PDF
Publication page814da39c689d27b17c952f4ad818d177070c84c83998d46d61721cffbc132599
Manifest0d2e5591cdb97ce9c15f86b36e3c37dad3d7b147ed497e7fdff4d59e70d09f72

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
Signature0qKeZsfJBfxjBzAy42lsiutcdXPrVuaYnLeaPUUoutmgXNeViMZg/6Eb+o253gvyi2aifF6vUSbo4RXTt+o5Ag==
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

2026-09-17T12:04:30.629035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016419
observed 814da39c689d27b17c952f4ad818d177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:30.608927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016419/manifest.json
observed 0d2e5591cdb97ce9c15f86b36e3c37da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:30.588849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016419/publication.md
observed 45b9c01acde8287504183c32aca7c612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:30.569492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016419/publication.txt
observed 96aa93df7529d659dc920e680a3cc43c...
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.