OpenTechnical

OT-2026-000043388

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000043388) never changes.

Identity and time

Publication numberOT-2026-000043388 · never reused
Internal UUID01a0ae7b-327e-7fa6-a406-70dfb15fe49f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043388
StatusPUBLIC

Content hashes

Canonical text203edf3f80c27a64e2f9cc13662dbcf48e78ab4b6d1e57562680cf4b5a6b3041
Markdown1c4dd2138f7d1f7624bb34ee1be974a017937ad1f58de5d8e5f5ec7c37bb9f02
PDF
Publication page321c4bf35c568e65a2b1f2bfaeb4b41bbecc7c9160b98e89691865ecb7b2f369
Manifest68e547945a9bdf4f23ab3ea424cd077c4107740cc50b6bb38a268d9185fb52fa

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
SignatureeSUy3SxUvErPpZggW+v2WdMTaIxtaJSS8gqKb47oWnRkoilDJusc83naUdONWwn2dV8AUDLmgasjNzUj+wh6AQ==
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

2026-09-17T11:13:55.195568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043388
observed 321c4bf35c568e65a2b1f2bfaeb4b41b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.175878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043388/manifest.json
observed 68e547945a9bdf4f23ab3ea424cd077c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.157302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043388/publication.md
observed 1c4dd2138f7d1f7624bb34ee1be974a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:55.136127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043388/publication.txt
observed 203edf3f80c27a64e2f9cc13662dbcf4...
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.