OpenTechnical

OT-2026-000032541

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000032541) never changes.

Identity and time

Publication numberOT-2026-000032541 · never reused
Internal UUID01a0ae75-106f-71ec-a0e9-5ad72edfb5d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032541
StatusPUBLIC

Content hashes

Canonical text3b6694e35d919984241fa61a2776d95f97e8c116dcb766492b825da54aac551e
Markdown185762c72377eaaf262c5a0981128974510b9d1a72aa594c66115ed85459fe4d
PDF
Publication pagea40e5a4e623e2254021db46f4948a633739830dfc6fb056fe8ecc6318b4591bf
Manifestba0df5de74d6e7558a3d4d2c18712dfb2672b0df0d0caf85b7856f904c674e35

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
Signature1YJ5QpIp2KJ76e8SMmQccAPXcaj14cE7RRVQ0TgqSAmL8LdGycfnlUdj4WlOyuqGPPwdnnvA0Qkyubxc02ltAg==
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

2026-09-17T11:34:06.288584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032541
observed a40e5a4e623e2254021db46f4948a633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.271380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032541/manifest.json
observed ba0df5de74d6e7558a3d4d2c18712dfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.253018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032541/publication.md
observed 185762c72377eaaf262c5a0981128974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.235045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032541/publication.txt
observed 3b6694e35d919984241fa61a2776d95f...
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.