OpenTechnical

OT-2026-000053791

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000053791) never changes.

Identity and time

Publication numberOT-2026-000053791 · never reused
Internal UUID01a0ae85-735d-7622-a8a7-63c3af063bf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053791
StatusPUBLIC

Content hashes

Canonical text2d1441a9a8f544d2ce5fff69ed420486191d4e5581f7a0bcd00c3c06615122c8
Markdown5f1b5cb4cbaf3d0fe045749e600cbc10607682f0e7d2dd3d8e3ec2c8ad66a697
PDF
Publication pagedb584fca603f24ed096d6d6595831bcf110c2b1acb9c51b48ec4adca7e993569
Manifest02e1c5a6bbfb1e15853c6651ce2160811748df951e1cd93f0c609fd7c855b558

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
SignatureWLJHDP0Pe9ELKHCJGcALoq75Wf3bNO/11V+vry8gOArtzN2RHgFDxLm0P7TiuCx8waJca9rfvEJ2CTMtU+AvBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:29.015634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053791
observed db584fca603f24ed096d6d6595831bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:28.998341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053791/manifest.json
observed 02e1c5a6bbfb1e15853c6651ce216081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:28.979282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053791/publication.md
observed 5f1b5cb4cbaf3d0fe045749e600cbc10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:28.960907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053791/publication.txt
observed 2d1441a9a8f544d2ce5fff69ed420486...
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.