OpenTechnical

OT-2026-000016156

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000016156) never changes.

Identity and time

Publication numberOT-2026-000016156 · never reused
Internal UUID01a0ae6e-2d10-7f0d-9a2e-de27141b5576 · 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-2026-000016156
StatusPUBLIC

Content hashes

Canonical text98c77e0ff7c957c5d9399726ccb86494d599f27e3b49399629ff8a70f724ff4e
Markdown9a9b0f9ae17604569a05ce66c7080c64475e40967e10e2e2a2fdcb0030cbf990
PDF
Publication page921db36ff881c44e2836c83638398d62964c317b09bfa262fe13a3b3f68960e6
Manifest3eba01f68bdb081ca758e32d174661a5f06b7ecfb9d3952994cef2294c7e355a

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
SignatureRdS2XA9wV2RtQ/u64D0Jxq6Jd4O5HM+HptrlEfSlGfdhSfdxog8EcrhTmVk1tcKuYoVQ8m1+cGLOF2o3YjarDQ==
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

2026-09-17T12:03:35.894991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016156
observed 921db36ff881c44e2836c83638398d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:35.873930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016156/manifest.json
observed 3eba01f68bdb081ca758e32d174661a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:35.850315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016156/publication.md
observed 9a9b0f9ae17604569a05ce66c7080c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:35.830095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016156/publication.txt
observed 98c77e0ff7c957c5d9399726ccb86494...
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.