OpenTechnical

OT-2026-000023149

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000023149) never changes.

Identity and time

Publication numberOT-2026-000023149 · never reused
Internal UUID01a0ae70-7266-7635-a790-31be1eaf0e75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023149
StatusPUBLIC

Content hashes

Canonical text8f9b66010c6c2f0512a707f50a3815e4719b4bf196226c3fce2cb9a9a371db5a
Markdown53f426c64e95eef73d3c935a5c81a9aa125697ce5d6e5d37dc7f4786008c5fff
PDF
Publication page4e7a3d07c7c421e9f9d436d0e9582720eea43eedc2922d9b1a320801dbb0bf24
Manifest5fdc87733ef1780efa4bddc5b399687a2326a3b890b806f202c18d1333b492dc

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
SignatureRBKQDDqRTk8sq01bHONCOSo0Z1tGpYew+yLw/fR4tLgwOJ4X/US9VwE9+3+GSdZIU92+2M5i2HKocbGyrLkEBw==
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

2026-09-17T11:51:05.162167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023149
observed 4e7a3d07c7c421e9f9d436d0e9582720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.142922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023149/manifest.json
observed 5fdc87733ef1780efa4bddc5b399687a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.125344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023149/publication.md
observed 53f426c64e95eef73d3c935a5c81a9aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.108589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023149/publication.txt
observed 8f9b66010c6c2f0512a707f50a3815e4...
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.