OpenTechnical

OT-2026-000034247

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, 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-2026-000034247) never changes.

Identity and time

Publication numberOT-2026-000034247 · never reused
Internal UUID01a0ae75-df0d-754a-a3e6-1c2ddee37b19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034247
StatusPUBLIC

Content hashes

Canonical texta08a9cb779a70cdbd9e2c6a948101ca54e3cebd874a16087dd8daba191a430d2
Markdown303db030b97699c02cf298a5565e2ff54299e1eea5779e76aea8526acc7c7d09
PDF
Publication pagec1e452649da0bbf36e8f0ae58f043ff4903d8b3246e19411f760de26a3f2d879
Manifest0bcf206d1d7f35d7630b55ae8b921185a82875f26cdd981af07678124fd1a4dc

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
Signature/aBw+RjqZquRnlSDzdeVJDgrsVu0yZnHNCBL3jBIq3zkmWn+hK1PQfRPEVDWjkVB62bXhZT7CDuGKj9HVFX2CA==
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

2026-09-17T11:30:48.215342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034247
observed c1e452649da0bbf36e8f0ae58f043ff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.198323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034247/manifest.json
observed 0bcf206d1d7f35d7630b55ae8b921185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.181236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034247/publication.md
observed 303db030b97699c02cf298a5565e2ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.165557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034247/publication.txt
observed a08a9cb779a70cdbd9e2c6a948101ca5...
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.