OpenTechnical

OT-2026-000030660

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, sustained 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-2026-000030660) never changes.

Identity and time

Publication numberOT-2026-000030660 · never reused
Internal UUID01a0ae74-3fb3-7749-92ca-87c28602da4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030660
StatusPUBLIC

Content hashes

Canonical textc6de58c91ba20ef813270702221e6c020fe85929ea49a5582ba899177c140267
Markdowndd43c082af02ba4aa5fe770b34abfce2811a4068cae8b25d4ec6547e54e56fbc
PDF
Publication pagef57c52446f009b3886d78c431c48a0a53056c827d29d1ffa97c904d94f448887
Manifestc7fad555aa797a3c84658a44b615151dd734e818b6f5c26395ca36e71ef87132

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
SignaturewdVpokT8V91B8WgbQ6ai7vOI/FxctUizZpZINkcTgpQsWYu68faSTwNT/Rd/oDKcQgdgaz0MP2shZCr6pwnPDg==
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

2026-09-17T11:36:32.722860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030660
observed f57c52446f009b3886d78c431c48a0a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.705421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030660/manifest.json
observed c7fad555aa797a3c84658a44b615151d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.682230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030660/publication.md
observed dd43c082af02ba4aa5fe770b34abfce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.666299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030660/publication.txt
observed c6de58c91ba20ef813270702221e6c02...
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.