OpenTechnical

OT-2026-000016388

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000016388) never changes.

Identity and time

Publication numberOT-2026-000016388 · never reused
Internal UUID01a0ae6e-2d12-78f1-ae0d-318d0e8c55df · 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-2026-000016388
StatusPUBLIC

Content hashes

Canonical texta33183bc3434c84e8304a487c5fa2e0c927d10021ad70ac8624453137b83092a
Markdownfdba6eb1f2fd8fff8e15d69e5f0b1240b06759188ee79c072e71b000ddb10817
PDF
Publication page09939949743029794010e6d8da6101dab274ffd527193f13f0f32a4cafc60315
Manifest260c9ead59a5dfd205eff24897dd441d23de8e88184d0c1a2d96c08d654c9e83

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
Signature2hMxPgrV5Z4XkI15wVMYDCu10L4GsBxLUjs34NDty7LGMmgxSSovoP/M3v5TVqDngXqu96jEDp/KjoxMM9MSBQ==
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

2026-09-17T12:04:28.105014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016388
observed 09939949743029794010e6d8da6101da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:28.084791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016388/manifest.json
observed 260c9ead59a5dfd205eff24897dd441d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:28.065953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016388/publication.md
observed fdba6eb1f2fd8fff8e15d69e5f0b1240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:28.047070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016388/publication.txt
observed a33183bc3434c84e8304a487c5fa2e0c...
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.