OpenTechnical

OT-2026-000063791

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000063791) never changes.

Identity and time

Publication numberOT-2026-000063791 · never reused
Internal UUID01a0ae8c-f947-74a0-9ad6-3eca0267af6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063791
StatusPUBLIC

Content hashes

Canonical textb2643d8c11dda4a7f9e36551071a37bc4eed59a9fa40816f573f0e27b5ce6e3d
Markdown14975d4c76520009598429216a72d32a7add59ab81879e807c64b3c41a3df1d2
PDF
Publication page60ba5bcb3c5ddd5f0a76049e162fb4a52fcde8beb8917b3ce4f823cec19033f0
Manifest07ef19a251fd7d2384c398d23095693fa149139a5915bb851da75732923ff05e

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
SignatureaNB0OVsDK9TvEnwsKIy5Z7iYi8cK0sBi3ex1pSRQSRd8bE6duB+HLFO+6G/Z7dTXapnQFukemMkVyf1yt44lDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:05.137243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063791
observed 60ba5bcb3c5ddd5f0a76049e162fb4a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.110305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063791/manifest.json
observed 07ef19a251fd7d2384c398d23095693f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.090427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063791/publication.md
observed 14975d4c76520009598429216a72d32a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:05.070341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063791/publication.txt
observed b2643d8c11dda4a7f9e36551071a37bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:28.180173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063791
observed 60ba5bcb3c5ddd5f0a76049e162fb4a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:28.163208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063791/manifest.json
observed 07ef19a251fd7d2384c398d23095693f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:28.144089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063791/publication.md
observed 14975d4c76520009598429216a72d32a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:28.124212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063791/publication.txt
observed b2643d8c11dda4a7f9e36551071a37bc...
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.